CN107454910A

CN107454910A - PEI miscible polymer blends for capacitor films

Info

Publication number: CN107454910A
Application number: CN201580078630.3A
Authority: CN
Inventors: M·桑纳; N·法伊芬伯格; M·F·尼迈耶
Original assignee: SABIC Innovative Plastics IP BV
Current assignee: SABIC Global Technologies BV
Priority date: 2015-02-03
Filing date: 2015-10-01
Publication date: 2017-12-08
Also published as: US20180265655A1; EP3245244A1; US10669388B2; JP2018510955A; JP6771828B2; KR20170110137A; WO2016126290A1; EP3245244A4

Abstract

A kind of high yield extrusion capacitor films of uniaxial tension, it includes the miscible polymer blends containing PEI and polyester, wherein described PEI includes derived from aromatic dianhydride and includes m-phenylene diamine (MPD), the unit of the polymerization of p-phenylenediamine or the diamines of its combination, wherein described PEI is substituted or unsubstituted aromatic primary monoamine end-blocking, wherein described polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid, and wherein described high yield extrusion capacitor films are included based on the gross weight meter into miscible polymer blends before extruder, miscible polymer blends into the extruder for manufacturing capacitor films are equal to or more than about 90 weight %.

Description

PEI miscible polymer blends for capacitor films

Technical field

This disclosure relates to PEI miscible polymer blends and production and preparation method thereof, are more particularly to be used for Extrude the PEI and/or polyetherimide sulfone miscible polymer blends of capacitor films.

Background technology

Electrostatic membrane capacitance with high volume energy density, high running temperature and long-life is to pulse power, automobile The important component with Industry Electronics.Generally, capacitor is that have two parallel conductives that the thin layer of (dielectric) film separates that insulated The energy storage device of electroplax.When applying voltage across the plate, the electric field in dielectric makes charge displacement and thus stores energy. Size (gross area and thickness of the amount of the energy of capacitor storage depending on the dielectric constant of insulating materials, applied voltage and film Degree).Therefore, in order that the energy total amount that can accumulate of capacitor maximize, it is necessary to make the film dielectric constant and breakdown voltage most Bigization and the minimizing thickness for making the film.The physical characteristic of dielectric material in capacitor be capacitor performance main decision because Element, therefore the improvement of one or more physical properties of the dielectric material of capacitor can bring the respective performances in capacitor assembly Improve, generally cause wherein embedding the electronic system of the capacitor or the performance of product and life-span enhancing.

Electrostatic membrane capacitance has been used for needing low dissipation factor, high insulation made of biaxial tension poly- (propylene) (BOPP) The purposes of resistance and low DIELECTRIC ABSORPTION, such as it is used for electrical equipment, electronic equipment, baking oven and stove, refrigerator, automobile and household electrical appliance.BOPP About 2.2 low-k (Dk) and its about 100 DEG C maximum operation temperature limitation BOPP capacitors needing Gao Yun Use in the application of trip temperature and/or high-energy-density.Other thermoplastics, such as Dk>3.0 poly terephthalic acid second two Alcohol ester (PET), PEN (PEN) and makrolon (PC) are probably rational substitute；But by these Capacitor made of film can only use in the case where being up to about 125 DEG C of running temperature, therefore not meet required high-temperature behavior ability. Meet the different materials of high temperature capabilities, if polyphenylene sulfide (PPS) and polyether-ether-ketone (PEEK) are by a temperature of more than 150 DEG C The limitation of electrical property unstability, therefore make them less suitable for for capacitor.Therefore, there is still a need for exploitation and/or improvement Dielectric material for capacitor.

Summary of the invention

Disclosed herein a kind of high yield extrusion capacitor films of uniaxial tension, its include containing PEI and The miscible polymer blends of polyester, wherein the PEI include derived from aromatic dianhydride with comprising m-phenylene diamine (MPD), right The unit of the polymerization of phenylenediamine or the diamines of its combination, wherein the PEI is substituted or unsubstituted aromatic primary monoamine envelope End, wherein the polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid, and its Described in high yield extrusion capacitor films include based on enter extruder before miscible polymer blends gross weight meter, enter Miscible polymer blends for the extruder that manufactures capacitor films are equal to or more than about 90 weight %.

A kind of high yield extrusion capacitor films of uniaxial tension are also disclosed herein, it contains PEI With the miscible polymer blends of polyester, wherein the PEI include derived from aromatic dianhydride with comprising m-phenylene diamine (MPD), The unit of the polymerization of p-phenylenediamine or the diamines of its combination, wherein the PEI is substituted or unsubstituted aromatic primary monoamine End-blocking, wherein the polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid, wherein The high yield extrusion capacitor films are solvent-free and comprising based on the gross weight into miscible polymer blends before extruder Meter, the miscible polymer blends into the extruder for manufacturing capacitor films are equal to or more than about 90 weight %, and And wherein described capacitor films have about 0.1 micron to about 20 microns of film thickness.

A kind of high yield extrusion capacitor films of uniaxial tension are further disclosed herein, and it contains polyethers acyl The miscible polymer blends of imines sulfone and polyester, wherein the polyetherimide sulfone includes derived from aromatic dianhydride and includes two The unit of the polymerization of the diamines of aminodiphenyl sulfone, wherein the polyetherimide sulfone is substituted or unsubstituted aromatic primary monoamine envelope End, wherein the polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds, wherein institute derived from aromatic dicarboxylic acid State high yield extrusion capacitor films it is solvent-free and comprising based on enter extruder before miscible polymer blends gross weight meter, Miscible polymer blends into the extruder for manufacturing capacitor films are equal to or more than about 90 weight %.

Detailed description of the invention

It disclosed herein the combination of polymers for capacitor films comprising PEI (PEI) and polyester (PE) Thing and production and preparation method thereof, the wherein polymer composition are the miscible polymer blendings as being discussed in greater detail herein Thing.In one embodiment, the PEI can further include polyetherimide sulfone, wherein the PEI and should Polyetherimide sulfone forms miscible polymer blends.In one embodiment, the polyester includes poly terephthalic acid second two Alcohol ester (PET), PEN (PEN) etc., or its combination.In one embodiment, the polyester includes low spy Property viscosity PET.In one embodiment, the PEI and the polyester form miscible polymer blends.In another reality Apply in scheme, the PEI, the polyetherimide sulfone and the polyester form miscible polymer blends.

In some embodiments, the polymer composition for capacitor films includes polyetherimide sulfone (PEIS) and gathered Ester (PE), the wherein polymer composition are miscible polymer blends.In such embodiments, the polyetherimide sulfone Miscible polymer blends are formed with the polyester.

It disclosed herein the uniaxial tension comprising the miscible polymer blends containing PEI and polyester High yield extrudes capacitor films；Wherein described PEI include derived from aromatic dianhydride with comprising m-phenylene diamine (MPD), to benzene two The unit of the polymerization of amine or the diamines of its combination；Wherein described PEI is substituted or unsubstituted aromatic primary monoamine end-blocking； Wherein described polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid；And wherein institute State high yield extrusion capacitor films include based on enter extruder before miscible polymer blends gross weight meter, into for Manufacture the miscible polymer blends of the extruder of capacitor films is equal to or more than about 90 weight %.In an embodiment In, the PEI can further include polyetherimide sulfone.

In one embodiment, the high yield extrusion capacitor films of uniaxial tension are manufactured (such as described in the last period Film) method include (a) and merge described PEI and the polyester to form miscible polymer blends；(b) melt simultaneously The miscible polymer blends are mixed to form molten polymer；(c) filter the molten polymer and be more than about 1 to remove The particle of micron is to form the molten polymer of filtration；(d) squeezed at a temperature of about 250 DEG C to about 500 DEG C through flat-mould head Go out the molten polymer of the filtration to form high yield extrusion capacitor films, wherein high yield extrusion capacitor films include Based on the gross weight meter into miscible polymer blends before extruder, into the mixed of the extruder for manufacturing capacitor films Insoluble polymer blend is equal to or more than about 90 weight %；(e) described in uniaxial tension high yield extrusion capacitor films with Form the high yield extrusion capacitor films of the uniaxial tension.In such embodiments, the high yield of the uniaxial tension Extrusion capacitor films further can be metallized and wound to form wound metallized capacitor films.In another embodiment, The capacitor films (such as metallized capacitor film) can be stacked to form stacked membrane capacitance.

It disclosed herein the uniaxial tension for including the miscible polymer blends containing polyetherimide sulfone and polyester High yield extrusion capacitor films；Wherein described polyetherimide sulfone includes derived from aromatic dianhydride and includes diaminodiphenylsulfone Diamines polymerization unit；Wherein described polyetherimide sulfone is substituted or unsubstituted aromatic primary monoamine end-blocking；It is wherein described Polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid；And wherein described high yield Capacitor films are extruded to include based on the gross weight meter into miscible polymer blends before extruder, into for manufacturing electric capacity The miscible polymer blends of the extruder of device film are equal to or more than about 90 weight %.

In one embodiment, the high yield extrusion capacitor films of uniaxial tension are manufactured (such as described in the last period Film) method include (a) and merge described polyetherimide sulfone and the polyester to form miscible polymer blends；(b) melt And the miscible polymer blends are mixed to form molten polymer；(c) molten polymer is filtered to remove to be more than greatly About 1 micron of particle is to form the molten polymer of filtration；(d) through flat-mould head at a temperature of about 250 DEG C to about 500 DEG C The molten polymer of the filtration is extruded to form high yield extrusion capacitor films, wherein the high yield extrudes capacitor films bag Containing the gross weight meter based on miscible polymer blends before entrance extruder, into the extruder for manufacturing capacitor films Miscible polymer blends are equal to or more than about 90 weight %；Uniaxial tension described in high yield extrude capacitor films (e) To form the high yield of uniaxial tension extrusion capacitor films.In such embodiments, the height of the uniaxial tension is bent Clothes extrusion capacitor films further can be metallized and wound to form wound metallized capacitor films.In another embodiment In, the capacitor films (such as metallized capacitor film) can be stacked to form stacked membrane capacitance.

Except in embodiment or in addition to otherwise expressly place, component amount, anti-is indicated in the specification and claims All numerical value of condition etc. or wording is answered to should be understood to be modified by term " about " in all situations.It disclosed herein Various number ranges.Because these scopes are continuous, they are included in each value between minimum value and maximum.Describe phase Can independently it be combined with the end points of feature or all scopes of component and including listed end points.Unless expressly stated otherwise, originally Various number ranges are approximations specified in application.Being related to the end points of all scopes of same composition or property includes the end points And can independently it combine.Term " from more than 0 to a certain amount " refer to the component with more than 0 certain amount exist and up to simultaneously Including higher specified amount.

The limitation of article " a ", " an " and " the " the not amount of referring to, and refer at least one drawn project be present.This paper institutes The article " a ", " an " and " the " of singulative includes plural reference.

" combinations thereof " used herein includes one or more listed elements, key element optionally similar with what is do not enumerated Together, such as the combinations of a kind of or multiple specified ingredients is included, having for not specified clearly with one or more optionally is basic Other components combination of identical function.Term " combination " used herein includes blend, mixture, alloy, reaction product etc..

This specification mentions " embodiment ", " another embodiment ", " other embodiments ", " some realities in the whole text Apply scheme " etc. refer to contact the specific factor (such as component, structure, property and/or feature) of embodiment description and be included in In at least one embodiment as described herein and it there may be or be not present in other embodiments.Further, it is understood that , the key element can combine in various embodiments in any suitable manner.

Unless specifically stated so, technology used herein and scientific terminology are identical with being generally understood that with those skilled in the art Implication.Term " polymer " used herein " includes oligomer, homopolymer and copolymer.

Unless otherwise specified, all molecular weight in the application refer to weight average molecular weight.All such molecular weight mentioned Represented with dalton (Da).

Compound standardized denomination description used herein.For example, any position not substituted by the group of any instruction Put and be understood to fill up its chemical valence by key or hydrogen atom as shown.Not in two dash lines between letter or symbol ("-") is used for the tie point for indicating substituent.For example, the carbon connections of-CHO through carbonyl.

Term " alkyl " is included with the C for specifying carbon number_1-30Branched chain and straight chain or C_1-18Branched chain and straight chain are not Radical of saturated aliphatic alkyl.The example of alkyl includes, but not limited to methyl, ethyl, n-propyl, isopropyl, normal-butyl, sec-butyl, uncle Butyl, n-pentyl, sec-amyl, just with Sec-Hexyl, just with Zhong Gengji, just with secondary octyl, decyl, stearyl etc..

Term " alkenyl " refers to the straight chain with least one carbon-to-carbon double bond or branched chain monovalent hydrocarbon (such as ethene Base (- HC=CH₂))。

Term " alkoxy " refers to straight chain or branched chain alkyl (such as C through oxygen connection_1-18) (i.e. alkyl-O-), such as Methoxyl group, ethyoxyl, sec-butoxy and nonyl epoxide.

Term " alkylidene " refers to straight chain or branched chain, saturation, divalent aliphatic alkyl (such as methylene (- CH₂-) or it is sub- Propyl group (- (CH₂)₃-))。

Term " cycloalkylidene " refers to bivalent cyclic alkylidene-C_nH_2n-x, wherein x, which is represented, passes through the hydrogen number that cyclisation replaces. " cycloalkenyl group " refers to there is one or more rings and the univalent perssad in one or more of ring carbon-to-carbon double bond, wherein all Ring memberses be carbon (such as cyclopenta and cyclohexyl).

Term " aryl " refers to containing aromatic hydrocarbyl (such as Aromatic moieties) (such as 6 carbon for specifying carbon number The unsaturation ring of atom), it can optionally be substituted with one or more alkyl groups and including such as phenyl, tolyl, xylyl, ring Heptantriene ketone group, indanyl (indanyl), indenyl, naphthyl etc..

Term " aryloxy group " refers to that the unsaturation ring in itself can be optional by the unsaturated cyclosubstituted epoxide of 6 carbon atoms It is substituted with one or more alkyl groups, and including such as phenoxy group.

Prefix " halo " refers to the group or compound for including one or more fluorine, chlorine, bromine, iodine and astatine substituent.It can deposit In the combination of different halogens (such as bromine and fluorine).In one embodiment, chloro is only existed.

Prefix " miscellaneous " refers to that the compound or group include the ring memberses (such as 1,2 or 3 of at least one hetero forms Hetero atom), wherein the hetero atom can be each independently N, O, S or P.

Unless otherwise specified, 2003 versions of all ASTM tests based on Annual Book of ASTM Standards.

In one embodiment, the polymer composition for being used for capacitor films includes PEI.In another reality Apply in scheme, the polymer composition for being used for capacitor films includes polyetherimide sulfone.In still another embodiment, this is used for The polymer composition of capacitor films includes PEI and polyetherimide sulfone.

To disclosure in this article, only containing PEI or only containing polyetherimide sulfone or comprising PEI and gather The polymers compositions of both etherimide sulfones is collectively referred to as " PEI and/or polyetherimide sulfone ".If this paper is for appointing The institutes such as what polymer (such as single polymers compositions, blend polymer, polymeric blends etc.) property, characteristic, feature With term " PEI and/or polyetherimide sulfone " refers to that any property value, characteristic, feature etc. can be only applicable to gather Etherimide is only applicable to polyetherimide sulfone or is applied to PEI and polyetherimide sulfone when being used in combination.

In one embodiment, the PEI (PEI) and polyetherimide sulfone (PEIS) can be represented by Formulas I：

Wherein a can be more than 1, such as about 1 to about 1,000 or bigger, or about 10 to about 1,000 or bigger, Or about 10 to about 500.

In one embodiment, the group V in Formulas I can be ether-containing group (" PEI " used herein) or The tetravalence linker of the combination (" polyetherimide sulfone " used herein) of ether group and arlydene sulfone group.Such linker It can include, but are not limited to：(a) have the substitution or unsubstituted, saturations of 5 to 50 carbon atoms, insatiable hunger and/or aromatics it is monocyclic And polycyclic moiety, optionally substituted by the combination of ether group, arlydene sulfone group or ether group and arlydene sulfone group；(b) have 1 The substitution optionally substituted to 30 carbon atoms and by ether group or ether group, the combination of arlydene sulfone group and arlydene sulfone group Or unsubstituted, straight chain or branched chain, saturation or unsaturated alkyl；Or (c) combinations thereof.Additional suitable for linker V takes In generation, includes, but are not limited to ether, acid amides, ester etc., or its combination.

In one embodiment, the group R in Formulas I can include, but are not limited to substitution or unsubstituted divalent organic base Group, such as：(a) there is the aromatic hydrocarbon group and its halide derivative of 6 to 20 carbon atoms；(b) there is the straight chain of 2 to 20 carbon atoms Or branched chain alkylidene；(c) there is the cycloalkylidene of 3 to 20 carbon atoms, or the divalent group of (d) as shown in Formula II：

Wherein Q¹Include, but are not limited to divalent moiety, such as-O- ,-S- ,-C (O)-,-SO₂-、-SO-、-C_y-2y- (y is 1 to 5 integer) and its halide derivative, including perfluorinated alkylidene.

In an embodiment of Formulas I, linker V includes, but are not limited to the tetravalence aryl shown in formula III：

Wherein W can be divalent moiety, including-O- ,-SO₂- or formula-O-Z-O- shown in group, wherein-O- or- Two valence links of O-Z-O- groups can be in 3,3'；3,4'；4,3'；Or 4,4' positions.Those skilled in the art are by disclosure meeting Recognize, although-O-Z-O- groups are divalent groups, Z is also divalent group and each Z divalence is connected to-O-Z-O- groups In oxygen atom on.In such embodiments, Z can include, but are not limited to the divalent group shown in group IV formula：

Wherein Q may include, but be not limited to divalent moiety, such as-O- ,-S- ,-C (O)-,-SO₂-、-SO-、-C_y-2y-(y It is 1 to 5 integer) and its halide derivative, including perfluorinated alkylidene.

In one embodiment, Z can be the divalent group as shown in formula IV a：

Wherein Q^aCan be singly-bound ,-O- ,-S- ,-C (O)-,-SO₂- ,-SO- or-C_y-2y-, its halide derivative, and its Middle y can be 1 to 5 integer.

In one embodiment, the PEI includes more than one construction unit or about 10 to about 1,000 Individual construction unit or about 10 to about 500 construction units, wherein construction unit can be represented by Formula V：

Wherein T can be group shown in-O- or formula-O-Z-O-, wherein-O- or-O-Z-O- groups two valence links can be with In 3,3'；3,4'；4,3'；Or 4,4' positions；Wherein Z retouches as the divalent group shown in group IV formula and formula IV a above State；And wherein R has described as the divalent group shown in Formula II above.Any aspect and/or reality of these Z and R descriptions The scheme of applying can be used for Z and the R group for describing Formula V without restriction.In one embodiment, Z can be represented by formula IV a.

In wherein T by the embodiment of the formula-O-Z-O- Formula V represented, Z can be two with 6 to 27 carbon atoms Valency aromatic hydrocarbon group, its halide derivative, the straight chain or branched chain alkylidene, its halide derivative, tool with 2 to 10 carbon atoms There are the cycloalkylidene, its halide derivative or formula-(C of 3 to 20 carbon atoms₆H₁₀)_z- shown group, wherein z can be 1 to 4 Integer；And R can be the residue of the diamines comprising m-phenylene diamine (MPD), p-phenylenediamine or its combination.

In another embodiment, the polyetherimide sulfone can be the polyimides comprising ether group and sulfone group, its At least 50 moles of % of linker V and group R in middle Formulas I include divalent arylen sulfone group.For example, all linker V, but There is no group R, arlydene sulfone group can be contained；All group R, but there is no linker V, arlydene sulfone group can be contained；It is or sub- Aryl sulfone may be present in a certain proportion of linker V and R group, as long as the total moles of V and R group containing aryl sulfone group point Number is equal to or more than 50 moles of %.

In one embodiment, the polyetherimide sulfone includes more than one construction unit or about 10 to about 1, 000 construction unit or about 10 to about 500 construction units, wherein construction unit can be represented by Formula IV：

Wherein Y can be-O- ,-SO₂- or formula-O-Z-O- shown in group, wherein-O- ,-SO₂- or-O-Z-O- groups Two valence links can be in 3,3'；3,4'；4,3'；Or 4,4' positions；Wherein Z is above as shown in group IV formula and formula IV a Divalent group describes；And wherein R has described as the divalent group shown in Formula II above, as long as the Y molal quantitys in Formula IV+ R molal quantity sums contain-SO more than 50 moles of %₂- group.Any aspect and/or embodiment of these Z and R descriptions can To be used for the Z and R group that describe Formula IV without restriction.In one embodiment, Z can be represented by formula IV a.

In some embodiments, the PEI and/or polyetherimide sulfone can further include without ether or ether With the linker V of sulfone group, such as the linker as shown in organizing VII formula：

In one embodiment, the acid imide unit of the linker shown in formula containing group VII can be generally with unit 0 mole of % to 5 moles of % of about 0 mole of % to about 10 moles of % or unit sum of sum amount is present.In a reality Apply in scheme, additional linker V is not present in the PEI and/or polyetherimide sulfone.

In still another embodiment, the PEI includes the construction unit shown in about 10 to about 500 Formula V, And the polyetherimide sulfone includes the construction unit shown in about 10 to about 500 Formula IV.

Preparing the method for PEI and polyetherimide sulfone is well known by persons skilled in the art and is generally described in In United States Patent (USP) No.8,546,516 and U.S. Publication No.20140355173A1；Each the full text is incorporated herein by reference.

In one embodiment, the PEI and polyetherimide sulfone can pass through the virtue shown in Formula VIII or Formula IX The double acid anhydrides of race：

It is prepared by the reaction with the organic diamine shown in Formula X：

H₂N-R-NH₂

Formula X

Wherein R, T and Y describe above for Formula II, Formula V and Formula IV.These R, T and Y description any aspect and/ Or embodiment can be used for R, T and Y group for describing Formula VIII, Formula IX and Formula X without restriction.

Include the double [4- (3,4- bis- of 2,2- suitable for the non-limiting examples of the double acid anhydrides of aromatics shown in the Formula VIII of the disclosure Carboxyphenoxy) phenyl] propane dianhydride；Double (3,4- di carboxyl phenyloxies) diphenyl ether dianhydrides of 4,4'-；Double (the 3,4- dicarboxyls of 4,4'- Phenoxyl) diphenyl ether dianhydride；Double (3,4- di carboxyl phenyloxies) the benzophenone dianhydrides of 4,4'-；Double [4- (the 2,3- bis- of 2,2- Carboxyphenoxy) phenyl] propane dianhydride；Double (2,3- di carboxyl phenyloxies) diphenyl ether dianhydrides of 4,4'-；Double (the 2,3- dicarboxyls of 4,4'- Phenoxyl) diphenyl ether dianhydride；Double (2,3- di carboxyl phenyloxies) the benzophenone dianhydrides of 4,4'-；4- (2,3- dicarboxyl benzene oxygen Base) -4'- (3,4- di carboxyl phenyloxies) diphenyl -2,2- propane dianhydrides；4- (2,3- di carboxyl phenyloxies) -4'- (3,4- bis- Carboxyphenoxy) diphenyl ether dianhydride；4- (2,3- di carboxyl phenyloxies) -4'- (3,4- di carboxyl phenyloxies) diphenyl ether dianhydride； 4- (2,3- di carboxyl phenyloxies) -4'- (3,4- di carboxyl phenyloxies) benzophenone dianhydride；Deng；Or its combination.

Include 4,4'- pairs suitable for the non-limiting examples of the double acid anhydrides of the aromatics containing sulfone group shown in the Formula IX of the disclosure (3,4- di carboxyl phenyloxies) diphenyl sulfone dianhydride；Double (2,3- di carboxyl phenyloxies) diphenyl sulfone dianhydrides of 4,4'-；4- (2,3- dicarboxyls Phenoxyl) -4'- (3,4- di carboxyl phenyloxies) diphenyl sulfone dianhydride；Deng；Or its combination.

In one embodiment, Formula VIII and the combination system of double acid anhydrides shown in Formula IX can be used in the polyetherimide sulfone It is standby.

Include ethylenediamine, propane diamine, three methylenes suitable for the non-limiting examples of the amines shown in the Formula X of the disclosure Base diamines, diethylenetriamines, trien, hexamethylene diamine, heptamethylene diamines, eight methylene diamines, nine Asias Methanediamine, decamethylene diamine, 1,12- dodecamethylene diamines, 1,18- octadecamethylene diamines, 3- methyl heptamethylenes diamines, 4,4- Dimethyl heptamethylene diamines, the methylene diamine of 4- methyl nine, the methylene diamine of 5- methyl nine, 2,5- dimethyl hexa-methylene two Amine, 2,5- dimethyl heptamethylenes diamines, 2,2- dimethylated propyl diethylenetriamines, N- methyl-bis- (3- aminopropyls) amine, 3- methoxyl groups seven Methylene diamine, 1,2- double (3- amino propoxyl group) ethane, double (3- aminopropyls) sulphur, 1,4- cyclohexanediamine, double-(4- amino Cyclohexyl) methane, m-phenylene diamine (MPD), p-phenylenediamine, 2,4 di amino toluene, 2,6- diaminotoluenes, m-xylene diamine, to two Toluenediamine, 2- methyl -4,6- diethyl -1,3- phenylenediamines, 5- methyl -4,6- diethyl -1,3- phenylenediamines, benzidine, 3, 3'- dimethylbenzidines, 3,3'- dimethoxy benzidines, 1,5- diaminonaphthalenes, double (4- aminophenyls) methane, double (2- is chloro- 4- amino -3,5- diethyl phenyls) methane, double (4- aminophenyls) propane, 2,4- double (the b- amino-tert-butyl group) toluene, double (p- B- amino-tert-butyl-phenyl) ether, double (p-b- methyl-o-aminophenyl) benzene, double (p-b- methyl-adjacent Aminopentyl) benzene, 1,3- Double (3- aminopropyls) tetramethyl disiloxanes of diaminourea -4- cumenes, double (4- aminophenyls) ethers, 1,3- etc., or its group Close.

Include diaminourea hexichol suitable for the non-limiting examples of the amines containing sulfone group shown in the Formula X of the disclosure Sulfone (DDS), 4,4' diaminodiphenyl sulfone (4,4 '-DDS), 3,3'- diaminodiphenylsulfones (3,3 '-DDS), double (amino-benzene oxygens Phenyl) sulfone (BAPS) etc., or its combination.

In one embodiment, the PEI includes the construction unit shown in Formula V, wherein each R can be independently For to phenylene, metaphenylene or its combination；And wherein T can be group shown in formula-O-Z-O-, wherein-O-Z-O- bases Two valence links of group can be in 3,3' positions, and wherein Z can be the divalent group as shown in Formula X I：

In one embodiment, the PEI includes the construction unit shown in Formula V a：

Construction unit shown in Formula V b：

Or its combination.

In one embodiment, wherein R is by formula-O-Z-O- expressions, wherein-O-Z-O- groups to phenylene, wherein T Two valence links be that construction unit shown in the Formula V of the divalent group shown in Formula X I includes Formula V a institutes in 3,3' positions and wherein Z The construction unit shown.

In one embodiment, wherein R is metaphenylene, wherein T by formula-O-Z-O- expressions, wherein-O-Z-O- groups Two valence links be that construction unit shown in the Formula V of the divalent group shown in Formula X I includes Formula V b institutes in 3,3' positions and wherein Z The construction unit shown.

In one embodiment, the PEI includes more than one construction unit or about 10 to about 1,000 Individual construction unit or about 10 to about 500 construction units, wherein construction unit can be by Formula V a, Formula V b or its combination table Show.

In one embodiment, the polyetherimide sulfone includes the construction unit shown in Formula IV, wherein R group at least 50 moles of % can be independently of one another by group IV formula and formula IV a expression, wherein Q and Q^aCan be-SO₂-, and wherein remaining R Group can be each independently to phenylene, metaphenylene or its combination；And wherein Y can be shown in formula-O-Z-O- Group, wherein two valence links of-O-Z-O- groups can be able to be divalent group shown in Formula X I in 3,3' positions and wherein Z.

In one embodiment, the polyetherimide sulfone can include the polymerization derived from the amine comprising diaminodiphenylsulfone Constitutional repeating unit.

In one embodiment, the polyetherimide sulfone can include the constitutional repeating unit as shown in Formula IV a：

Wherein it is secondary can to repeat n ' for the construction unit, and wherein n ' can be more than 1 or about 10 to about 1,000 or About 10 to about 500.

In one embodiment, wherein Y is represented by formula-O-Z-O-, two valence links of wherein-O-Z-O- groups are in 3,3' positions Put, wherein Z is that divalent group, wherein R shown in Formula X I is divalent group, wherein Q shown in formula IV a^aIt is-SO₂- and wherein Divalent group R each divalence is relative to-SO₂- contraposition (4,4 ' position) Formula IV shown in construction unit include such as Formula IV a Shown in construction unit.

In one embodiment, the PEI and/or polyetherimide sulfone can be substituted or unsubstituted aromatic primary Monoamine (such as substitution and unsubstituted aniline, substitution and unsubstituting naphthyl primary amine and substitution and unsubstituted heteroaryl amine) end-blocking, its Middle substituent may be selected from being bonded to the C on aromatic ring_6-12Aryl, halogenation C_6-12Aryl, C_1-12Alkyl, halogenation C_1-12Alkyl, sulfuryl Group, C_1-12Ester group, C_1-12Amide group, halogen, C_1-12Alkyl ether groups, C_6-12Aryl ether group and C_6-12Aryl ketone group.Even The functional group connect should not hinder the function of aromatic primary monoamine control molecular weight.The suitable example of aromatic monoamine is described in more detail in United States Patent (USP) No.6, in 919,422, the full text is incorporated herein by reference for it.Suitable for the disclosure aromatic monoamine it is unrestricted Property example include aniline, chloroaniline, perfluoromethyl, naphthylamines etc. or its combination.In one embodiment, the aromatic monoamine Including aniline.

Those skilled in the art are by the disclosure, it will be recognized that manufacturing the PEI and/or polyetherimide sulfone During the amount of aromatic monoamine that adds may depend on required molecular weight and various other considerations.In one embodiment, The amount of aromatic monoamine present in imidization reaction can be the big of the total mole number based on aromatic diamine (such as phenylenediamine) About 0 mole % to about 10 moles % or about 1 mole % to about 10 moles % or about 2 mole of % to about 10 rubs You are % or about 5 mole % to about 9 moles % or about 6 mole % to about 7 moles of %.Those skilled in the art by The disclosure will also be recognized that monofunctional reactant thing can add at any time (such as be added to aromatic diamine, aromatic dianhydride, In solvent or its combination), such as before or after imidizate starts, and presence or absence of imidization catalyst In the case of.Those skilled in the art will also be recognized that Specific amounts can be determined by normal experiment by the disclosure.

In one embodiment, the relative quantity of each reactant, the type of catalyst and amount, aromatic primary monoamine can be selected Type and amount and reaction condition with provide have about 1.0 to about 1.4 molar equivalents anhydride group/1.0 amine groups or The anhydride group of anhydride group/1.0 amine groups of about 1.0 to about 1.3 molar equivalents or about 1.0 to about 1.2 molar equivalents / 1.0 amine groups of group or anhydride group/1.0 amine groups or about 1.0 of about 1.0 to about 1.1 molar equivalents are to about The PEI and/or polyetherimide sulfone of anhydride group/1.0 amine groups of 1.002 molar equivalents.

In one embodiment, the PEI and/or polyetherimide sulfone can be further crosslinked.This area skill Art personnel by the disclosure, it will be recognized that the method for crosslinked polyethers acid imide and/or polyetherimide sulfone may include it is any known PEI and/or polyetherimide sulfone cross-linking method, such as effectively to make PEI and/or PEI The wavelength of sulfone crosslinking and time irradiate the PEI and/or polyetherimide sulfone (such as comprising PEI and/or poly- The extruded film of etherimide sulfone).In one embodiment, PEI and/or polyetherimide sulfone crosslinking can pass through Ultraviolet irradiation under the wavelength more than 280 nanometers and less than or equal to 400 nanometers is realized.

In one embodiment, the PEI can be branch polyether acid imide, non-branching PEI or It is combined.Those skilled in the art are by the disclosure, it will be recognized that the PEI degree of branching influences the intensity of PEI Property, such as the imido content of branch polyether are higher, and intensity is higher.

In one embodiment, the polyetherimide sulfone can be branch polyether acid imide sulfone, non-branching polyetherimide Amine sulfone or its combination.Those skilled in the art are by the disclosure, it will be recognized that the polyetherimide sulfone degree of branching influences polyetherimide The intensity property of amine sulfone, such as the content of branch polyether acid imide sulfone are higher, and intensity is higher.

The PEI and polyetherimide sulfone alone or can be used in combination.In some embodiments, this is used for The polymer composition of capacitor films includes PEI.In other embodiments, the polymerization for being used for capacitor films Compositions include polyetherimide sulfone.

In some other embodiments, the polymer composition for being used for capacitor films includes PEI and polyethers acyl Imines sulfone.In such embodiments, PEI:The weight ratio of polyetherimide sulfone can be about 99:1 to about 30:70 or about 90:10 to about 40:60 or about 80:20 to about 60:40.Those skilled in the art are by the disclosure , it will be recognized that PEI and polyetherimide sulfone form miscible polymer blends.

In one embodiment, the feature of the PEI and/or polyetherimide sulfone can be to pass through gel About 20,000 grams/mol (g/mol) that permeation chromatography (GPC) is measured using polystyrene standards or dalton (Da) are to big About 400,000Da or about 10,000Da are to about 400,000Da or about 10,000Da to about 200,000Da or big About 10,000Da to about 80,000Da or about 50,000Da to about 75,000Da weight average molecular weight (Mw).Generally, may be used To calculate Mw according to equation 1：

Wherein N_iIt is molecular weight M_iMolecular number.

In one embodiment, the PEI and/or polyetherimide sulfone can have the weight based on the polymer Amount part meter is less than about 100ppm or being surveyed by proton nuclear magnetic resonance spectroscopy less than about 50ppm or less than about 10ppm Fixed benzylic protons (benzylic proton) content.Benzylic protons function can react to accelerate under melt state at high temperature Change the reaction of molecular weight.In another embodiment, PEI and/or polyetherimide sulfone can be free of, significantly not Contain or be substantially free of benzylic protons.It is substantially free of benzylic protons and refers to that PEI and/or polyetherimide sulfone product have Less than being rubbed derived from the monomer containing benzylic protons and/or the construction unit of end-capping reagent or less than about 3 for about 5 moles of % Your % construction units or less than about 1 mole of % construction unit.In one embodiment, the PEI and/or Polyetherimide sulfone can have the parts by weight meter 0ppm or 0 based on the polymer determined by proton nuclear magnetic resonance spectroscopy to rub That % monomer being derived from containing benzylic protons and/or the construction unit of end-capping reagent.In one embodiment, the polyetherimide Amine and/or polyetherimide sulfone do not include benzylic protons.

In one embodiment, the PEI and/or polyetherimide sulfone, which can have, is based on the PEI And/or the parts by weight meter of polyetherimide sulfone be equal to or less than about 1,000ppm or about 0ppm to about 1,000ppm or About 0ppm to about 500ppm bromine or chlorinity.Can be by ordinary chemical analysis, such as atomic absorption detecting bromine or chlorine Amount.In one embodiment, the PEI and/or polyetherimide sulfone can have based on the PEI and/or The parts by weight meter of polyetherimide sulfone is equal to or less than about 1,000ppm or about 0ppm to about 1,000ppm or about 0ppm to about 500ppm total bromine+chlorinity.

In one embodiment, the PEI and/or polyetherimide sulfone can have low organic reaction by-product Thing content.For example, the PEI and/or polyetherimide sulfone, which can have, is based on the PEI and/or polyetherimide The parts by weight meter about 0ppm to about 500ppm or about 0ppm to about 250ppm or about 0ppm of amine sulfone are to about Double (N- (4- the chlorophthalimidos)) benzene of 100ppm 1,3-, 1,3- double (N- phthaloyl iminos) benzene, isophthalic The respective content of diamines and double (phthalimides).

In one embodiment, the feature of the PEI and/or polyetherimide sulfone can be basis American Society for Testing Materials (ASTM) D1238 are at 340 DEG C to 370 DEG C at 6.7 kilograms (kg) about 0.1 gram/minute (g/min) measured under the load of weight is to about 10g/min or about 0.5g/min to about 9.5g/min or about 1g/min to about 9g/min melt index (MI).

In one embodiment, the feature of the PEI and/or polyetherimide sulfone can be at 25 DEG C Measured in metacresol be equal to or more than about 0.2 deciliter/gram (dl/g) or about 0.2dl/g to about 0.8dl/g or About 0.3dl/g to about 0.75dl/g or about 0.35dl/g to about 0.7dl/g inherent viscosity.Generally, fluid is viscous Degree represents its measuring to the resistance that is gradually deformed as caused by shear stress or tensile stress.Term " characteristic used herein Viscosity " represents the specific viscosity of the polymer solution of concentration known with being extrapolated to solute concentration (such as polymerizeing in solution of 0 concentration Thing concentration) ratio.Those skilled in the art by the disclosure, it will be recognized that inherent viscosity (it is acknowledged as polymer property Gauge) it is directly proportional to the weight average molecular weight of the polymer.Inherent viscosity can be determined according to ASTM 4603.

In one embodiment, the feature of the PEI and/or polyetherimide sulfone can be to pass through capillary What pipe rheometry measured at 340 DEG C is less than about 11 or less than about 10 or less than about 9 or less than about 8 In 100sec^-1Under viscosity with 5,000sec^-1Under viscosity ratio.

In one embodiment, the feature of the PEI and/or polyetherimide sulfone can be according to ASTM D638 measure is equal to or more than about 380,000psi (2,618MPa) or about 400,000psi (2,756MPa) to about 620,000psi (4,272MPa) or about 420,000 (2,893MPa) to about 600,000psi (4,134MPa) or about 425,000psi (2,928MPa) to about 580,000psi (3,996MPa) stretch modulus.Generally, stretch modulus, also referred to as Modulus of elasticity or Young's modulus, it is that the rigidity of material is measured.

In one embodiment, the feature of the PEI and/or polyetherimide sulfone can be to be equal to or greatly In about 150 DEG C or more than about 160 DEG C or more than about 180 DEG C or more than about 200 DEG C or about 200 DEG C to about 300 DEG C or about 200 DEG C to about 290 DEG C or about 200 DEG C to about 280 DEG C of glass transition temperature (Tg).Generally, Tg refers to that polymer is transformed into the humidity province of soft rubber material from Bohemian glass material.In one embodiment, the polyethers The feature of acid imide and/or polyetherimide sulfone can be single Tg (rather than multiple Tg values).

In one embodiment, the PEI includes commercially available PEI, such as ULTEM resins, and it includes The resins of ULTEM 1000, the resins of ULTEM 1010, the resins of ULTEM 9011 etc., or its combination.ULTEM resins are a kind of amorphous heat Plasticity polyetherimide resin；ULTEM1000 resins are the amorphous transparent PEI plastics with 217 DEG C of Tg；ULTEM 1010 resins (such as ULTEM 1010K) are the transparent high flowing PEI with 217 DEG C of Tg；And the resins of ULTEM 9011 are tools There is 217 DEG C of Tg transparent high flowing PEI；Each available from SABIC Innovative Plastics.Polyetherimide resin Further describe in ASTM D5205.

In one embodiment, the polyetherimide sulfone includes commercially available polyetherimide sulfone, such as ULTEM XH6050 Resin, it is the polyetherimide sulfone copolymer of the transparent flow enhuancement with 247 DEG C of Tg and available from SABIC Innovative Plastics。

In one embodiment, the PEI and/or polyetherimide sulfone can be with based on for capacitor films Polymer composition gross weight about 60 weight % (wt.%) to about 99.9 weight % or about 65 weight % extremely About 99 weight % or about 70 weight % to about 95 weight % or about 75 weight % to about 85 weight % amount are deposited It is in the polymer composition for capacitor films.

In one embodiment, the PEI include less than about 15 weight % or less than about 10 weight % or Less than removing comprising derived from comprising m-phenylene diamine (MPD), p-phenylenediamine etc. for about 5 weight %, or the unit of the polymerization of the amine of its combination PEI outside PEI.

In one embodiment, the polymer composition for being used for capacitor films includes polyester.In an embodiment In, the polyester can include the constitutional repeating unit as shown in Formula X II：

Wherein B can be derived from dihydroxy compounds, C_2-10Alkylidene, C_6-20Alicyclic group, C_6-20Aryl or polyoxy Change the divalent group of alkenyl group, the wherein alkylidene contains 2 to 6 carbon atoms or 2,3 or 4 carbon atoms；And wherein T^aCan Be derived from dicarboxylic acids, aromatic dicarboxylic acid, C_2-10Alkylidene, C_6-20Alicyclic group, C_6-20Alkylaryl or C_6-20Aryl Divalent group.In one embodiment, B includes ethylidene.Polyester is described in more detail in U.S. Publication In No.20140275372A1, the full text is incorporated herein by reference for it.

In one embodiment, the polyester can be included by making dicarboxylic acids (such as aromatic dicarboxylic acid) and dihydroxy chemical combination Thermoplastic polyester obtained by thing polymerization.In one embodiment, the polyester can include and be derived from aromatic dicarboxylic acid and dihydroxy The constitutional repeating unit of the polymerization of compound.In one embodiment, the aromatic dicarboxylic acid can include terephthalic acid (TPA), isophthalic Dioctyl phthalate, naphthalenedicarboxylic acid, their ester etc., or its combination.In one embodiment, the aromatic dicarboxylic acid includes terephthaldehyde Acid, its ester etc., or its combination.In another embodiment, the aromatic dicarboxylic acid includes naphthalenedicarboxylic acid, its ester etc., or its combination.

In some embodiments, the aromatic dicarboxylic acid can include aliphatic dicarboxylic acid, oxalic acid, malonic acid, adipic acid, pungent two Acid, azelaic acid, decanedioic acid, decane dicarboxylic, cyclohexane cyclohexanedimethanodibasic, their ester etc., or its combination.

In one embodiment, the dihydroxy compounds can include linear aliphatic and fat with 2 to 15 carbon atoms Ring race glycol, ethylene glycol, propane diols, 1,4- butanediols, trimethylene, tetramethylene glycol, neopentyl glycol, diethyl two Alcohol, cyclohexanedimethanol, hept- 1,7- glycol, octyl- 1,8- glycol, neopentyl glycol, decyl- 1,10- glycol；Polyethylene glycol；Divalence Phenol, dihydroxy diaryl alkane, 2,2- double (4- hydroxyphenyls) propane (bisphenol-A or BPA), double (4- hydroxyphenyls) methane, double (4- Hydroxyphenyl) naphthyl methane, double (4- hydroxyphenyls) phenylmethanes, double (4- hydroxyphenyls)-(4- isopropyl phenyls) methane, double (3,5- Two chloro- 4- hydroxyphenyls) methane, double (3,5- dimethyl -4- hydroxyphenyls) methane, 1,1- double (4- hydroxyphenyls) ethane, 1- naphthyl -1, Double (4- hydroxyphenyls) ethane of 1-, double (4- hydroxyphenyls) ethane of 1- phenyl -1,1-, 1,2- double (4- hydroxyphenyls) ethane, 2- methyl isophthalic acids, Double (4- hydroxyphenyls) propane of 1-, double (3,5- dimethyl -4- hydroxyphenyls) propane of 2,2-, double (the 4- hydroxyphenyls) third of 1- ethyls -1,1- Double (the chloro- 4- hydroxyphenyls of the 3,5- bis-) propane of alkane, 2,2-, double (the bromo- 4- hydroxyphenyls of the 3,5- bis-) propane of 2,2-, double (the chloro- 4- of 3- of 2,2- Hydroxyphenyl) propane, double (3- methyl -4- hydroxyphenyls) propane of 2,2-, double (the fluoro- 4- hydroxyphenyls of the 3-) propane of 2,2-, double (the 4- hydroxyls of 1,1- Phenyl) butane, double (4- hydroxyphenyls) butane of 2,2-, double (4- hydroxyphenyls) butane of 1,4-, 2,2- double (4- hydroxyphenyls) pentane, 4- first Double (4- hydroxyphenyls) pentanes of base -2,2-, double (4- hydroxyphenyls) hexanes of 2,2-, double (4- hydroxyphenyls) heptane of 4,4-, double (the 4- hydroxyls of 2,2- Phenyl) nonane, double (4- hydroxyphenyls) decane of 1,10-, double (4- the hydroxyphenyls) -3,3,5- trimethyl-cyclohexanes of 1,1- and 2,2- it is double (4- hydroxyphenyls) -1,1,1,3,3,3- HFC-236fas；Dihydroxy diaryl cycloalkanes, 1,1- double (4- hydroxyphenyls) hexamethylene, 1,1- Double (4- hydroxyphenyls) cyclodecane of double (the chloro- 4- hydroxyphenyls of 3,5- bis-) hexamethylenes, 1,1-；Dihydroxy diaryl sulfone, double (4- oxybenzenes Base) sulfone, double (3,5- dimethyl -4- hydroxyphenyls) sulfones, double (the chloro- 4- hydroxyphenyls of 3-) sulfones；Double (the 4- oxybenzenes of dihydroxy diaryl ether Base) ether, double (3-5- dimethyl -4- hydroxyphenyls) ethers；Dihydroxy diaryl ketone, 4,4'- dihydroxy benaophenonels, 3,3', 5,5'- Tetramethyl -4,4- dihydroxy benaophenonels；Dihydroxy diaryl sulphur, double (4- hydroxyphenyls) sulphur, double (3- methyl -4- hydroxyphenyls) Sulphur, double (3,5- dimethyl -4- hydroxyphenyls) sulphur；Dihydroxy diaryl sulfoxide, double (4- hydroxyphenyls) sulfoxides；Dihydroxybiphenyl, 4, 4'- dihydroxyphenyls；Double (4- hydroxyphenyls) fluorenes of dihydroxy aryl fluorenes, 9,9-；Dihydroxy benzenes, hydroxyquinone, resorcinol, methylhydroxy Quinone；Dihydroxy naphthlene, 1,5- dihydroxy naphthlenes, 2,6- dihydroxy naphthlenes；Deng；Or its combination.

In one embodiment, the polyester includes polyethylene terephthalate (poly- (terephthalate Ester) or PET), poly- (terephthalic acid (TPA) 1,4- butanediol esters) (PBT), PEN (poly- (naphthalenedicarboxylic acid second two Alcohol ester) or PEN), poly- (naphthalenedicarboxylic acid butanediol ester) (PBN), poly- (terephthalic acid (TPA) 1,3- propylene glycol esters) (PPT), poly- (to benzene Dioctyl phthalate cyclohexylenedimethylene ester) (PCT), polytrimethylene's ester (PTT), poly- (butanedioic acid 1,4- fourths two Alcohol ester) (PBS), the polyethylene terephthalate (PETG) of glycol modification, the poly terephthalic acid Asia hexamethylene of glycol modification Base dimethylene ester (PCTG), poly- (1,4 cyclohexanedicarboxylic acid 1,4- cyclohexylenedimethylenes ester) (PCCD), poly- (hexamethylene Dimethanol terephthalate), poly- (cyclohexanedimethanol -co- ethylene glycol terephthalate), their copolymer etc., or It is combined.In one embodiment, the polyester includes PET, PEN, PBT, PETG, PCT, their copolymer etc., or its group Close.

In one embodiment, PET can include the constitutional repeating unit as shown in Formula X III：

In one embodiment, wherein T^aIt is repetitive structure shown in the Formula X II of ethylidene to phenylene and wherein B to be Unit includes the construction unit shown in Formula X III.

In one embodiment, PEN can include the constitutional repeating unit as shown in Formula X IV：

In one embodiment, wherein T^aIt is 2,6- naphthalenes and wherein B is repetitive structure list shown in the Formula X II of ethylidene Member includes the construction unit shown in Formula X IV.

In one embodiment, the polyester includes polyethylene terephthalate.Polyethylene terephthalate It is described in more detail in United States Patent (USP) No.8, in 546,516, the full text is incorporated herein by reference for it.

In one embodiment, the polyethylene terephthalate includes low inherent viscosity poly terephthalic acid second two Alcohol ester, the wherein polyethylene terephthalate can have the big of the gross weight of (i) based on polyethylene terephthalate About 0.1 weight % to about 4 weight % diethylene glycol derives content, and (ii) about 0.1 deciliter/gram (dl/g) is to about 0.83dl/g inherent viscosity, and (iii) about 10 milliequivalent/kilogram (meq/kg；Millinormal carboxylic end group/kilogram poly- pair PET) to about 150meq/kg amount carboxylic end group content.

As herein in connection with diethylene glycol derive content used in, " diethylidene " refer to by diethylene glycol with The reaction of the ester of terephthalic acid (TPA) or terephthalic acid (TPA) (such as dimethyl terephthalate (DMT)) is incorporated to polyethylene terephthalate Formula-(C in polymer₂H₄)O(C₂H₄The group of)-shown.In one embodiment, the polyethylene terephthalate There can be the about 0.1 weight % to about 4 weight % or about of the gross weight based on the polyethylene terephthalate 0.1 weight % to about 2 weight % or about 0.1 weight % to about 1 weight % diethylene glycol content.

In one embodiment, the polyethylene terephthalate may have about 0.1dl/g to about 0.83dl/ G, or about 0.2dl/g to about 0.65dl/g or about 0.5dl/g to about 0.60dl/g inherent viscosity (IV).Generally, The viscosity of fluid represents its measuring to the resistance that is gradually deformed as caused by shear stress or tensile stress.Art used herein Language " inherent viscosity " represents the specific viscosity of the polymer solution of concentration known and is extrapolated to solute concentration (such as the solution of 0 concentration In polymer concentration) ratio.Those skilled in the art by the disclosure, it will be recognized that inherent viscosity (it is acknowledged as gathering The gauge of compound characteristic) it is directly proportional to the weight average molecular weight of the polymer.The characteristic of polyethylene terephthalate is glued Degree can be by being dissolved in 60 according to ASTM D4603 by polyethylene terephthalate:40 phenol:1,1,2,2- tetrachloroethanes (TCE) determined in solution.To disclosure in this article, the poly terephthalic acid with the inherent viscosity less than about 0.83dl/g Glycol ester is referred to as " low inherent viscosity polyethylene terephthalate " (" low IV PET "), and big with being equal to or more than The polyethylene terephthalate of about 0.83dl/g inherent viscosity is referred to as " high inherent viscosity polyethylene terephthalate Ester " (" high IV PET ").

In one embodiment, the polyethylene terephthalate may have about 10meq/kg to about The carboxylic of 150meq/kg or about 10meq/kg to about 100meq/kg or about 20meq/kg to about 50meq/kg amount Acid end group content.Those skilled in the art are by the disclosure, it will be recognized that the method for changing carboxylic end group number depends on being used to make The method for making the polyethylene terephthalate.

In one embodiment, the polyester (such as PET, low IV PET etc.) can be manufactured by any suitable method.

In one embodiment, there is low diethylene glycol to derive content (such as based on the poly terephthalic acid second About 0.1 weight % of the gross weight of diol ester to about 4 weight %) polyethylene terephthalate can be by benzene two Formic acid dialkyl ester (such as dimethyl terephthalate (DMT) (DMT)) and ethylene glycol are in the presence of manganese, zinc, titanium, antimony or lithium catalyst Ester exchange prepare to form ester exchange offspring, its be with 1,2 or 3 the degree of polymerization low-molecular-weight ester mixture, wherein Most of end groups are glycoxyl.In such embodiments, the ester exchange offspring can then enter in the presence of a catalyst One-step polymerization is into heavy polymer.IV can be adjusted for example, by adjusting the degree of polymerization of final product.In order to obtain carboxylic acid end The required content of base, for example, a kind of preparation method of linear polyethylene terephthalate includes making terephthalic acid (TPA) and mistake Amount ethylene glycol reacts under conditions of the clear point (clearing point) of the reaction is effectively reached；Make this limpid (cleared) reactant mixture it is effective produce with less than about 0.7dl/g according to ASTM D4603 at 25 DEG C by Weight meter 60:40 phenol:The IV measured in 1,1,2,2- tetrachloroethanes and the carboxylic end group number less than about 100meq/kg it is oligomeric Pre-polymerization under conditions of thing；With make the oligomer that there is about 0.4dl/g to about 0.83dl/g according to ASTM in effective produce D4603 is at 25 DEG C by weight 60:40 phenol:The inherent viscosity measured in 1,1,2,2- tetrachloroethanes and about 10meq/kg To the bar of linear poly- (terephthalic acid (TPA) alkylene ester) resin (such as low IV PET) of about 100meq/kg carboxylic end group number Polycondensation under part.

In one embodiment, the polyethylene terephthalate can be derived from recycling PET.Suitable for the disclosure Recycling PET non-limiting examples include give up after consumption PET, waste material PET, such as PET under being trimmed from mechanograph, PET fragments (flakes), PET film, PET, the PET products scrapped due to mass defect, are waited or it is combined.Can will again Cycle P ET is added in manufacture PET production line, or 100% recycling/waste material can be used as to make in the form of grinding again With, or mix with primary PET.In some embodiments, recycling PET can be referred to colourless with the yellowing less than about 5 Number (YI).Generally, YI is the color of the description given the test agent calculated by Spectrophotometric Data from the transparent or white change to yellow The numerical value of change.In one embodiment, there is the recycling PET gross weight meter based on recycling PET to be less than about 0.1 Weight % polyvinyl chloride (PVC).

Those skilled in the art are by the disclosure, it will be recognized that the polyethylene terephthalate polymer can contain it Its polyester unit, such as the unit derived from other glycol (such as glycol beyond ethylene glycol) (such as aliphatic diol).

In one embodiment, the base of the glycol beyond the polyethylene terephthalate contains derived from ethylene glycol Group, the glycol such as aliphatic diol, 2- propane diols, 1,3-PD, 1,2- butanediols, 1,3-BDO, BDO, 2, 3- butanediols, diethylene glycol, 1,5- pentanediols, neopentyl glycol, triethylene glycol, PEG；Aliphatic polyol, trihydroxy methyl Propane, pentaerythrite；Alicyclic diol, 1,4 cyclohexane dimethanol, 1,4- hexamethylene diethanols；Deng；Or its combination.

In one embodiment, the polyethylene terephthalate contains based on the polyethylene terephthalate Gross weight meter be less than about 20 weight % or less than about 10 weight % or less than about 5 weight % or less than about 1 weight Measure the group of the glycol being derived from beyond ethylene glycol of % amount.In one embodiment, the polyethylene terephthalate Ester contains amount of the gross weight meter based on the polyethylene terephthalate less than about 1 weight % and is derived from 1,4- hexamethylenes The group of alkane dimethanol.

In one embodiment, the polyethylene terephthalate can be linear, wherein the poly- terephthaldehyde Sour glycol ester can include the gross weight based on the polyethylene terephthalate measured by proton nuclear magnetic resonance spectroscopy Meter is less than about 3 weight % or less than about 2 weight % or less than about 1 weight % cyclic polyesters.In an embodiment In, determined by proton nuclear magnetic resonance spectroscopy, the gross weight meter based on the polyethylene terephthalate, the poly- terephthaldehyde Sour glycol ester can be free of cyclic polyester.

In one embodiment, the aromatics beyond the polyethylene terephthalate contains derived from terephthalic acid (TPA) Dicarboxylic acids (such as M-phthalic acid, 5- sulfoisophthalic acids (sodium salt), 2,6- naphthalenedicarboxylic acids, 4,4'- diphenyldicarboxylics, Diphenyl sulfo group dioctyl phthalate, trimellitic acid, pyromellitic acid, oxalic acid, butanedioic acid, adipic acid, decanedioic acid, azelaic acid, decane diformazan Acid), their salt, their ester, their acid anhydride etc., or the group of its combination.

In one embodiment, the polyethylene terephthalate contains based on the polyethylene terephthalate Gross weight meter be less than about 20 weight % or less than about 10 weight % or less than about 5 weight % or less than about 1 weight Measure the group of the aromatic dicarboxylic acid being derived from beyond terephthalic acid (TPA) of % amount.In one embodiment, this is poly- to benzene two Formic acid glycol ester contains the derivative of amount of the gross weight meter based on the polyethylene terephthalate less than about 5 weight % From the group of M-phthalic acid.

In one embodiment, the polyethylene terephthalate contains based on the polyethylene terephthalate Amount of the gross weight meter less than about 1 weight % group derived from 1,4 cyclohexane dimethanol and based on the poly- terephthaldehyde The group derived from M-phthalic acid of amount of the gross weight meter of sour glycol ester less than about 5 weight %.

In one embodiment, the feature of the low IV PET can be to be equal to or more than about 25,000Da or big About 25,000Da to about 75,000Da or about 45,000Da to about 60,000Da Mw.

In one embodiment, the feature of the low IV PET can be to pass through differential scanning amount according to ASTM D3418 Measured with the 10 DEG C/min rate of heat addition about 240 DEG C to about 260 DEG C or about 245 DEG C to about 255 of hot method (DSC) DEG C or about 255 DEG C to about 260 DEG C of fusing point.

In one embodiment, the feature of the low IV PET can be about 70 DEG C to about 90 DEG C or about 80 DEG C to about 85 DEG C or about 81 DEG C to about 83 DEG C of single glass transition temperature (Tg).

In one embodiment, the feature of the polyester can be according to ASTM D1238 at 265 DEG C in 5 kiloponds About 5 cubic centimetres of (cc)/10 minute (cc/10min) measured under the load of amount are to about 150cc/10min or about 7cc/10min to about 125cc/10min or about 9cc/10min to about 110cc/10min or about 10cc/10min To about 100cc/10min Melt Volume Rate.

In one embodiment, the polyester includes commercial polyesters, such as LASER+C (C61A) poly terephthalic acids second two Alcohol ester resin, it is the middle IV products available from DAK Americas；Akra is obtained from trade name " 5F0441RP " Polyesters S.A.de C.V. low IV PET；TRITAN TX2001 --- available from Eastman Chemical Company copolyesters；With KALADEX ES366300 --- available from Goodfellow PEN polymer；Deng；Or its group Close.

In one embodiment, the polyester can be with the gross weight based on the polymer composition for capacitor films About 0.1 weight % (wt.%) to about 40 weight % or about 1 weight % to about 35 weight % or about 5 weight % Amount to about 30 weight % or about 15 weight % to about 25 weight % is present in combination of polymers for capacitor films In thing.

In one embodiment, the polymer composition for being used for capacitor films can further include additive to improve One or more properties of the polymer composition, such as stabilizer (such as antioxidant), heat stabilizer, light stabilizer, purple Outside line (UV) absorbing additives, quencher, plasticizer, lubricant, lubricating oil, antistatic additive, fire retardant, Antidrip agent, radiation Stabilizer, fluoropolymer, pigment, dyestuff, particulate filler, glass, carbon fiber, mica, talcum, additional polymer are (such as non- Crystalline polymer), polyethylene, high density polyethylene (HDPE) (HDPE), aliphatic acid, siloxanes, wax etc., or its combination.In such implementation In scheme, additive can be selected with do not provide be more than about 10 weight % fluorine, do not provide said composition be more than about 1, 000 weight ppm organosilicon or the required property that the polymer composition will not be significantly, adversely influenceed in other side.One In individual embodiment, additive can be with the change with molecular weight less than about 250Da of the offer less than about 1,000ppm The amount of compound is present in the polymer composition for capacitor films.

In some embodiments, the polymer composition for being used for capacitor films can include antioxidant, such as phosphorous Stabilizer, organic phosphorus compound, difunctionality phosphorus-containing compound, phosphite ester, triaryl phosphites, phosphinate, phosphonic acids virtue Base ester, hindered phenol etc., or its combination.In other embodiments, the polymer composition for being used for capacitor films does not include Stabilizer, such as phosphorus-containing stabilizers.In one embodiment, the feature of the phosphorus-containing stabilizers can be to be equal to or more than greatly About 300Da weight average molecular weight.

In one embodiment, the polymer composition for being used for capacitor films can contain phosphorus stabilizer comprising more than one Agent.In such embodiments, the phosphorus-containing stabilizers can have same type or different type.For example, this is used for capacitor The polymer composition of film can include two kinds of phosphite esters or phosphite ester and phosphinate.

The non-limiting examples of phosphite ester and phosphinate suitable for the disclosure include triphenyl phosphite, phosphorous acid Diphenyl alkyl ester, phenyl dialkyl ester, phosphorous acid three (nonyl phenyl) ester, trilauryl phosphite, phosphorous acid three (octadecyl) ester, diphosphorous acid distearyl pentaerythritol ester, phosphorous acid three (2,4- di-t-butyls phenyl) ester, two phosphorous Double (the 2,4- di-t-butyls phenyl) pentaerythritol esters of sour diiso decyl pentaerythritol ester, diphosphorous acid, the double (2,6- of diphosphorous acid Di-t-butyl -4- aminomethyl phenyls)-pentaerythritol ester, the isodecyl epoxide pentaerythritol ester of diphosphorous acid two, the double (2,4- of diphosphorous acid Di-t-butyl -6- aminomethyl phenyls) pentaerythritol ester, diphosphorous acid double (2,4,6- tri- (tert-butyl-phenyl) pentaerythritol ester, three The stearyl sorbitol ester of phosphorous acid three, two phosphonous acid four (2,4- di-t-butyl -s phenyl) 4,4'- biphenylenes esters, phosphorous acid Double (the 2,4- di-t-butyl -6- aminomethyl phenyls) ethyl esters of double (2,4- di-t-butyl -6- aminomethyl phenyls) methyl esters, phosphorous acid, 2,2', 2 "-nitrilo- [triethyl group three (3,3', 5,5'- tetra--tert-butyl group -1,1'- biphenyl -2,2'- diyls) phosphite ester], Asia Phosphoric acid 2- ethylhexyls (3,3', 5,5'- tetra--tert-butyl group -1,1'- biphenyl -2,2'- diyls) ester, 5- butyl -5- ethyls -2- (2, Tri--tert-butyl benzenes of 4,6- epoxide) -1,3,2-dioxaphosphirane, (the 2,4- di-t-butyls phenyl) -4 of two phosphonous acid four, 4- biphenyl esters, phosphorous acid three (2,4- di-t-butyl phenyl) ester (PEPQ) etc., or its combination.

In one embodiment, phosphorus-containing stabilizers can be with the about 0.005 weight % based on said composition gross weight Amount to about 3 weight % or about 0.01 weight % to about 1.0 weight % is present in polymer group for capacitor films In compound.

In one embodiment, phosphorus-containing stabilizers can be with the about 0 weight % based on said composition gross weight to big About 2 weight % or about 0 weight % to about 1.0 weight % or about 0.5 weight % to about 1.0 weight % amount is present In the polymer composition for capacitor films, wherein the feature of the phosphorus-containing stabilizers can be to be equal to or more than about 500Da weight average molecular weight.

In one embodiment, the phosphorus-containing stabilizers include IRGAPHOS 168, and it is to be purchased from Ciba Chemical Co. phosphorous acid three-di-t-butyl phenylester.In one embodiment, the phosphorus-containing stabilizers include and are purchased from Dover Chemical Co. DOVERPHOS S-9228.

In one embodiment, antioxidant includes hindered phenol, such as alkylation monophenols, alkylated bisphenols, polyphenol etc., Or its combination.

Include 2,6- di-t-butyl -4- sylvans suitable for the non-limiting examples of the alkylation monophenols of the disclosure；Uncle 2- Butyl -4,6- dimethyl phenols；2,6- di-t-butyl -4- ethyl phenols；2,6- di-t-butyl -4- normal-butyl phenol；2,6- bis--tertiary fourth Base -4- isobutyl group phenol；2,6- bicyclopentyl -4- sylvans；2- (Alpha-Methyl cyclohexyl) -4,6- dimethyl phenols；2,6- double 18 Alkyl -4- sylvans；2,4,6- thricyclohexyl phenol；2,6- di-t-butyl -4- methoxy phenol；In side chain for straight chain or The nonyl phenol of branched chain；2,6- bis--nonyl -4- sylvans；2,4- dimethyl -6- (1'- methylundecane -1'- bases) phenol；2,4- Dimethyl -6- (1'- methyl heptadecane -1'- bases) phenol；2,4- dimethyl -6- (1'- methyltridec -1'- bases) phenol；Deng；Or its Combination.

Include 2,2' methylene bis (the 6- tert-butyl group -4- first suitable for the non-limiting examples of the alkylidene bisphenols of the disclosure Base phenol), 2,2' methylene bis (the 6- tert-butyl group -4- ethyl phenols), 2,2' methylene bis [4- methyl -6- (Alpha-Methyl cyclohexyl) - Phenol], 2,2' methylene bis (4- methyl -6- cyclohexyl phenol), 2,2' methylene bis (6- nonyl -4- sylvans), 2,2'- methylenes Base double (4,6- di-t-butyls phenol), 2,2'- ethylenebis (4,6- di-t-butyls phenol), 2,2'- ethylenebis (the 6- tert-butyl groups- 4- isobutyl groups phenol), 2,2' methylene bis [6- (α-methylbenzyl) -4- nonyl phenols], 2,2' methylene bis [6- (α, alpha, alpha-dimethyl Base benzyl) -4- nonyl phenols], 4,4' methylene bis-(2,6- di-t-butyls phenol), 4,4' methylene bis (the 6- tert-butyl group -2- first Base phenol), double (5- tertiary butyl-4-hydroxy -2- aminomethyl phenyls) butane of 1,1-, the double (the 3- tert-butyl group -5- methyl -2- hydroxyl benzyls of 2,6- Base) -4- sylvans, 1,1,3- tri- (5- tertiary butyl-4-hydroxy -2- aminomethyl phenyls) butane, 1,1- it is double (5- tertiary butyl-4-hydroxies - 2- methylphenyls) -3- dodecyl sulfydryls butane, double [double (the 3'- tert-butyl group -4'- hydroxyphenyls) butyric acid of 3,3- of ethylene glycol Ester], double (3- tertiary butyl-4-hydroxy -5- methylphenyls) bicyclopentadiene, double [2- (the 3'- tert-butyl group -2'- hydroxyl -5'- methyl Benzyl) -6- the tert-butyl group -4- aminomethyl phenyls] terephthalate, 1,1- be double-(3,5- dimethyl -2- hydroxyphenyls) butane, 2,2- Double-(3,5- di-t-butyl -4- hydroxyphenyls) propane, 2,2- pairs-(5- tertiary butyl-4-hydroxy -2- aminomethyl phenyls) -4- positive 12 Alkyl thiol butane, 1,1,5,5- tetra--(5- tertiary butyl-4-hydroxy -2- aminomethyl phenyls) pentane etc., or its combination.

In one embodiment, the feature of the hindered phenol can be the molecular weight equal to or more than about 300Da. In such embodiment, the molecular weight of the hindered phenol can aid under high processing temperature, such as equal to or more than big At a temperature of about 300 DEG C, hindered phenol structure part is retained in polymer melt.

In one embodiment, hindered phenol can be with the about 0.005 weight % based on said composition gross weight to big About 2 weight % or about 0.01 weight % to about 1.0 weight % amount are present in the polymer composition for capacitor films In.

In some embodiments, the polymer composition for being used for capacitor films can include one or more particulate fillers To adjust the property of said composition, such as dielectric constant, thermal coefficient of expansion etc..In other embodiments, this is used for electric capacity The polymer composition of device film does not include particulate filler.

Include silica, fused silica, crystallization two suitable for the non-limiting examples of the particulate filler of the disclosure Silica；Boron nitride powder, borosilicate powder；Aluminum oxide, magnesia (magnesia)；Silicate spheroid；Cigarette ash；Cenosphere (cenospheres)；Aluminosilicate (armospheres)；Natural silica Sand；Quartz；Quartzite；Titanium oxide, barium titanate, barium strontium, Tantalum pentoxide, kieselguhr；Diatomite；Synthetic silica；Deng；Or its combination.In one embodiment, the particulate filler It can be improved the bonding with polymeric compositions with silane surface treatment and be disperseed.

In one embodiment, particulate filler can be so that effectively the amount of physical property is present in for electric capacity needed for offer In the polymer composition of device film.In one embodiment, particulate filler can be with about 0.1 body of said composition cumulative volume Product % to about 50 volume % or about 0.1 volume % to about 40 volume % or about 5 volume % to about 30 volume %, Or about 5 volume % to about 20 volume % amount be present in the polymer composition for capacitor films.

In some embodiments, the polymer composition for being used for capacitor films can further include at least one additional Polymer, wherein selection additional polymer with do not provide the gross weight meter based on said composition more than about 10 weight % fluorine or Silicon, or the required property of said composition will not be significantly, adversely influenceed in other side.

Include poly- (benzene sulfone), poly- (sulfone), poly- (ether suitable for the non-limiting examples of the additional amorphous polymer of the disclosure Sulfone), poly- (arlydene sulfone), poly- (phenylate), makrolon, polyetherimide siloxanes etc., their blend, their copolymerization Thing or combinations thereof.

In one embodiment, additional polymer can be with the about 0 weight % to about 12 of said composition gross weight Weight % or about 0.1 weight % to about 10 weight % or about 0.5 weight % to about 5 weight % amount are present in use In the polymer composition of capacitor films.

In some embodiments, the polymer composition for being used for capacitor films can further include fluoropolymer, Such as (being used for will be more than big for PEP (FEP), polytetrafluoroethylene (PTFE) (PTFE) and perfluoroalkoxy (PFA) The composition used at a temperature of about 200 DEG C)；With polyvinylidene fluoride (PVDF), polyvinyl fluoride (PVF) and poly- (ethene -co- Tetrafluoroethene) (ETFE) slided and contribute to will be in the temperature less than about 200 DEG C as filler with reducing coefficient of friction and improving The processing of the capacitor films used under degree.

In one embodiment, additive (in addition to any filler) can be with about the 0.005 of said composition gross weight Weight % to about 20 weight % or about 0.01 weight % to about 10 weight % amount are present in for the poly- of capacitor films In polymer composition.

In one embodiment, any suitable mixing arrangement can be used to merge (such as contact, blending, mixing etc.) PEI and/or polyetherimide sulfone and polyester and any optional additives are to produce the polymer for capacitor films Composition.In one embodiment, PEI and/or polyethers acyl can be merged under conditions of intimate blend is formed Imines sulfone and polyester and any optional additives, wherein such condition may include in single screw rod or twin screw type extruders, mix Close tank or melt mixed in the similar mixing sheared or intermingling apparatus can be applied to the component merged.In some embodiment party In case, double screw extruder is better than single screw extrusion machine due to its stronger mixed and self-wiping ability.

In one embodiment, it can be advantageous to by least one steam vent in extruder to the blend composition Applying vacuum is to remove the volatile impurity in said composition.In one embodiment, it can be advantageous to dry before melting (such as removing water as much as possible) PEI and/or polyetherimide sulfone and polyester and any optional additives.

In one embodiment, the melt processing for the polymer composition of capacitor films can be at about 290 DEG C Carried out at a temperature of about 360 DEG C to avoid excessive depolymerization, at the same still be able to fully melting with obtain be free of it is any The close polymeric blends of non-blend components.In one embodiment, can be compounded to ensure the combination of polymers The residence time of thing in the machine is short, can carefully control temperature, and can utilize frictional heat, close between component to obtain Cut blending.

In one embodiment, the polymer composition for being used for capacitor films can also use any suitable polymerization Thing filter (such as with about 1 micron to about 100 microns or about 25 microns to about 100 microns or about 40 Micron is to about 100 microns of aperture or the polymer candle filter or well strainer of hole size) melt filtration to be to remove Unacceptable stain or other uneven pollutants, such as any diameter are more than about 1 micron of particle.Those skilled in the art By the disclosure, it will be recognized that when filter is with such as 1 micron of aperture or hole size, such filter is kept here It is all that there are 1 micron or larger sized solids and allow solids of the size less than 1 micron to pass through.Art technology Personnel will also be recognized that aperture or the hole size of the dimension reference filter of removable solids by the disclosure, and It is not the shape and related physical size of such solids.

In one embodiment, can by PEI and/or polyetherimide sulfone and polyester and it is any optionally Additive is placed in extruder compounder to manufacture continuous strands, is cooled to, and is then chopped into pill (such as extruding pill). In another embodiment, PEI and/or polyetherimide sulfone and polyester and any optional additives can be by dry-mixed Mixing, then melts and crushes on grinding machine, or extrude and be chopped into pill.In still another embodiment, following article is more detailed Description, PEI and/or polyetherimide sulfone and polyester and any optional additives can also be mixed and directly extruded To form film.In still another embodiment, polymer composition pill can be melted, is then extruded to form film.

In one embodiment, the polymer composition for being used for capacitor films includes miscible polymer blends, its In the feature of the polymer composition can be about 125 DEG C to about 250 measured by differential scanning calorimetry (DSC) DEG C or about 130 DEG C to about 240 DEG C or about 135 DEG C to about 230 DEG C or about 150 DEG C to about 220 DEG C or big About 160 DEG C to about 210 DEG C or equal to or more than about 170 DEG C or equal to or more than about 180 DEG C or equal to or more than big About 190 DEG C or the list equal to or more than about 200 DEG C or equal to or more than about 210 DEG C or equal to or more than about 220 DEG C Individual glass transition temperature (Tg).

Generally, miscible polymer blends refer to the mixture of two or more polymer, wherein the mixed polymer Single-phase (such as behaving like single polymers) is shown as when melting together, i.e. the mixed polymer shows single Tg.Phase Instead, immiscible polymer blend refers to the mixture of two or more polymer, and wherein the mixed polymer melts together It is separated when melting, i.e., the mixed polymer shows two or more Tgs.For example, in the situation of two kinds of immiscible polymers Under, when mixed together, polymer phase separation, wherein weave in of meeting.Those skilled in the art are by the disclosure , it will be recognized that when two kinds of polymer mixes, these polymerize only in some mixing ratio scopes of both polymer Thing is miscible and can form miscible polymer blends.In one embodiment, PEI as disclosed herein and/ Or polyetherimide sulfone and polyester can be with about 60:40 to about 99.9:0.01 (PEI and/or polyetherimide Amine sulfone):Weight polyester ratio is mixed to form miscible polymer blends.In addition, PEI as disclosed herein and poly- Etherimide sulfone can be mixed with any ratio to form miscible polymer blends.

In one embodiment, the polymer composition for being used for capacitor films can be to extrude pill outward appearance as spy Sign, wherein the extrusion pill outward appearance is transparent (such as limpid).Those skilled in the art are by the disclosure, it will be recognized that when two During kind transparent polymer blending, the outward appearance of gained blend depends on the compatibility of these polymer.Generally, when two kinds transparent poly- When compound mixes and forms miscible polymer blends, the miscible polymer blends can be transparent.In addition, work as two kinds thoroughly Bright mixed with polymers and when forming immiscible polymer blend, the immiscible polymer blend can be light tight (opaque), muddy, opaque (non-transparent), because polymer phase separates.

In one embodiment, the feature of the polymer composition for being used for capacitor films can be about 1.25 to About 1.35 or about 1.27 to about 1.33 or the proportion of about 1.28 to about 1.31.Generally, proportion represents material The density of the ratio of density and the density of water, wherein material and the density of water measure at the same temperature.The density of polymer is led to Often represented with g/cc and it can be determined according to ASTM D1505.

In one embodiment, polyester as disclosed herein and PEI as disclosed herein and/or poly- The proportion of etherimide sulfone, which is compared, can have of a relatively high proportion.Those skilled in the art are by the disclosure, it will be recognized that should Proportion for the polymer composition of capacitor films is more than the ratio of corresponding PEI and/or polyetherimide sulfone in itself Weight, this reduces the free volume in the blend (such as polymer composition for capacitor films) and therefore improved electrical again Energy.Those skilled in the art will also be recognized that the free volume in material is the dielectric made of this class material by the disclosure Known failure mechanism in film.Generally, the free volume of material is considered as the body for being available for given molecule to move freely in material Product.

In one embodiment, the feature of the polymer composition for being used for capacitor films can be about 1 to big About 10 or about 2 to about 9 or about 2.5 to about 8.5 in 100sec^-1Under viscosity with 5,000sec^-1Under it is viscous The ratio of degree.

In one embodiment, the feature of the polymer composition for being used for capacitor films can be according to ASTM About 1 cubic centimetre of (cc)/10 minute that D1238 is measured at 295 DEG C to 337 DEG C under the load of 6.7 kilograms of (kg) weight (cc/10min) is to about 40cc/10min or about 2.5cc/10min to about 35cc/10min or about 4.5cc/ 10min to about 13cc/10min or about 20cc/10min to about 37cc/10min Melt Volume Rate.

In one embodiment, the feature of the polymer composition for being used for capacitor films can be according to ASTM Measured under 264psi (1.8Mpa) on 3.2 millimeters (mm) thick sample about 100 DEG C to about 225 DEG C or big of D648 About 110 DEG C to about 215 DEG C or about 115 DEG C to about 200 DEG C or equal to or more than about 150 DEG C or it is equal to or more than About 160 DEG C or equal to or more than about 170 DEG C or equal to or more than about 180 DEG C or equal to or more than about 190 DEG C or Thermal distoftion temperature or heat distortion temperature (HDT) equal to or more than about 200 DEG C.The HDT of material typically refers to material and specified Temperature when being deformed under load.

In one embodiment, this be used for capacitor films polymer composition can use be conventionally used to thermoplasticity The extruder using flat-mould head of composition is extruded.Generally, extrusion curtain coating embrane method is related to melts the polymer group in an extruder Compound is to form molten polymer；Transmit the molten polymer through the flat-mould head with microcheilia gap spacing with formed film (such as squeeze Membrane)；The film is pulled on takers-in and the film is stretched with of a relatively high coiling speed；With cooling/solidify in the film Polymer is to form most telolemma.The extruder can have single screw rod or twin-screw to design, and can also be provided using Melt Pump By the constant non-pulsating polymer flow of die head.In one embodiment, the feature of the die head can be about 100 microns To about 200 microns of die head lip gap.In one embodiment, takers-in can be with most about 200m/min speed (such as coiling speed) is run.The capacitor films can be extruded through flat-mould head, and when the film is pulled on takers-in, should Film can stretch (such as uniaxial tension) to form the capacitor films of uniaxial tension with the film direction of motion.In an embodiment In, the design of extruder may also include increase heating roller with by the film tempering/annealing and thus by the appearance for the internal stress freezed Reduce to minimum.Film edge can be trimmed, and the winding mechanism of tension force can be used to be wound up on a roller the film roll.

In some embodiments, can be by business and/or experiential function before composite is drawn into film Uniform filling is dispersed in the polymer composition (such as being compounded into the polymer composition) to form the composite. , can be before the film be stretched on single extruder or in the melting for implementing the polymer in such embodiment Identical extruder on filler is compounded into the polymer composition to obtain homogeneous dispersion.In one embodiment, Filler can be compounded into the polymer composition on the identical extruder for melting the polymer before the film is stretched In.Those skilled in the art are by the disclosure, it will be recognized that accurate through die head delivered constant and uniform molten polymer flow Degree；For the rheological equationm of state for the polymer for manufacturing the film；The cleannes of polymer composition and equipment；With the machinery of spooler Characteristic both contributes to successfully prepare the extruded film with relatively small thickness (being, for example, less than about 20 microns).

In one embodiment, the extrusion curtain coating embrane method can be single -step method, can with scale to large-size equipment, And any solvent is not required the use of.Even for the polymer of of a relatively high molecular weight and/or high glass-transition temperature Situation, to provide not produce for the polymer this can be caused poly- with appropriately designed this extrusion molding (such as extrusion curtain coating embrane method) The environment of the excessive temperature thermally or mechanically degraded of polymer composition.In one embodiment, the molten polymer is used Filter can produce the dielectric for being practically free of and gained film may being damaged if the appropriate removing not from the molten polymer The film of the pollutant (such as gel and stain) of performance.In one embodiment, can by film made of extrusion curtain coating embrane method To be film (being, for example, less than about 50 micron thickness, even more thin)；There is uniform thickness on film width；It is flat and almost Non-wrinkled or morphology (such as smooth, wrinkle-free etc.)；It is and relatively pollution-free.

In one embodiment, it can use Melt Pump that molten polymer transmission is passed through into flat-mould head.In a reality Apply in scheme, the film can be extruded at a temperature of about 250 DEG C to about 500 DEG C or about 300 DEG C to about 450 DEG C. , can be with the uniaxial tension extruded film to produce dielectric substrate film in one embodiment.

In one embodiment, forming capacitor films includes merging, melt and being closely mixed for the poly- of capacitor films The component of polymer composition is to form molten polymer, the filtering molten polymer is more than about 1 micron of particle to remove To form the molten polymer of filtration；At about 250 DEG C to about 500 DEG C or about 275 DEG C to about 400 DEG C or about The molten polymer of the filtration is extruded at a temperature of 300 DEG C to about 450 DEG C through flat-mould head to form extruded film；Drawn with single shaft The extruded film is stretched to form dielectric substrate film (such as capacitor films；The capacitor films of uniaxial tension).After the stretch, the electric capacity Device film can metallize as described in greater detail below, or for storing or transport on takers-in.This area skill Art personnel will appreciate that by the disclosure, thus it is possible to vary the compositions of the capacitor films and manufacture method are with performance needed for realizing Matter, particularly electrical property.

In one embodiment, the capacitor films can have equal to or more than about 10 meters or more than about 100 meters, Or the film length more than about 10,000 meters.In one embodiment, the capacitor films, which can have, is equal to or more than about 300 Millimeter or the film width more than about 300 millimeters or more than about 3,000 millimeters.

Those skilled in the art are by the disclosure, it will be recognized that the rate of extrusion of the film is variable.In one embodiment, The rate of extrusion of the capacitor films can be about 10lbs/hr (4.5kg/hr) to about 1000lbs/hr (500kg/hr).

In one embodiment, coiling speed (such as the speed of capacitor films can be pulled from the die plate of extruder) It can be about 10 ms/min (m/min) to about 300m/min or about 50m/min to about 275m/min or about 100m/min to about 250m/min.

In one embodiment, the capacitor films include high yield extruded film, wherein the capacitor films (such as high yield Extrude capacitor films) include based on entering the gross weight of miscible polymer blends before extruder (such as capacitor films Polymer composition present in PEI and/or polyetherimide sulfone and the gross weight of polyester) meter, into for making Make the extruder of capacitor films miscible polymer blends (such as before extrusion for capacitor films polymer composition in Existing PEI and/or polyetherimide sulfone and polyester) be equal to or more than about 90 weight % or more than about 92 Weight % or more than about 94 weight % or more than about 96 weight % or more than about 98 weight %.In an embodiment party In case, the capacitor films include the high yield extrusion capacitor films of uniaxial tension.

In one embodiment, the capacitor films have two sides (such as two opposing faces), such as the first film surface and Two film surfaces.In one embodiment, at least one face (such as the first film surface, second film surface) of the capacitor films can be with metal Change, wherein can at least a portion of the film deposited metal layer to produce metallized capacitor film.In an embodiment In, the capacitor films can be at least in the part of at least one face of the capacitor films (such as the first film surface, second film surface) At least one face of upper metallization, the wherein capacitor films can be shiny surface.Generally, the shiny surface of capacitor films refers to The surface average roughness (Ra) less than about +/- 3% determined with following article more detailed description by optical profile art Face.

Those skilled in the art by the disclosure, it will be recognized that the capacitor films can be metallized using various metals, Desired use depending on the film.Suitable for the disclosure metal (such as conducting metal) non-limiting examples include copper, aluminium, Silver, gold, nickel, zinc, titanium, chromium, vanadium, tantalum, niobium, brass etc., or its combination.

In one embodiment, the method for metallising of the capacitor films comprising polymer composition includes vacuum metal gas Mutually deposition, high-temperature vacuum deposition, chemical vapor deposition, ald, metal sputtering, corona treatment, electron beam treatment, Chemical oxidation or reduction reaction, without electric wet-chemical deposition etc., or its combination.In one embodiment, the capacitor films can be with All metallized on two sides by electroless plating method (electroless plating).In another embodiment, can for example lead to Cross ink jet printing and form patterned metal layer on the surface of capacitor films.

Those skilled in the art are by the disclosure, it will be recognized that the thickness of metal level depends on being expected with for the metalized film On the way.In one embodiment, the feature for the metal level being deposited in capacitor films can be about 1 angstrom to about 1,000 Nanometer or about 1 angstrom to about 500 nanometers or about 1 angstrom to about 10 nanometers or about 1 angstrom to about 3,000 angstroms or big About 1 angstrom to about 2,820 angstroms or about 1 angstrom to about 2,000 angstroms or about 1 angstrom to about 1,000 angstroms of metal layer thickness.

In one embodiment, the metal level being deposited in capacitor films includes conducting metal.In such embodiment party In case, the feature of the metal level can be measured according to ASTM D257 about 0.1 to about 1,000 ohm-sq or The metal layer resistivity of about 0.1 to about 500 ohm-sq or about 0.1 to about 100 ohm-sq.

In one embodiment, the surface of capacitor films to metalization can pre-process, such as to strengthen metal level Bonding.Suitable for the disclosure membrane pre-treatment process non-limiting examples include washing, flame treatment, plasma discharge, Corona discharge etc., or its combination.

In one embodiment, one or more extra plays, such as clear coat (example can be deposited on the metal layer If poly- (methyl methacrylate) and/or poly- (EMA) is to provide scratch resistance) and/or another combination of polymers Thing (such as PEI, polyetherimide sulfone, polyester or its combination) film layer is to form laminated material.

In one embodiment, the feature of the capacitor films can be to measure by differential scanning calorimetry (DSC) About 125 DEG C to about 250 DEG C or about 130 DEG C to about 240 DEG C or about 135 DEG C to about 230 DEG C or about 150 DEG C to about 220 DEG C or about 160 DEG C to about 210 DEG C or equal to or more than about 170 DEG C or equal to or more than big About 180 DEG C or or equal to or more than about 190 DEG C or equal to or more than about 200 DEG C equal to or more than about 210 DEG C or wait In or more than about 220 DEG C of Tg (such as single Tg).

In one embodiment, PEI and/or polyetherimide sulfone and polyester each can be provided effectively The amount of the single glass transition temperature of the capacitor films is present in (such as miscible poly- for the polymer composition of capacitor films Compound blend) in.

In one embodiment, the feature of the capacitor films can be film outward appearance, and wherein the film outward appearance is transparent (example As limpid).Those skilled in the art by the disclosure, it will be recognized that when preparing film by transparent miscible polymer blends, The outward appearance of gained film can be transparent.Film outward appearance can be assessed by the visual inspection on film surface.

In one embodiment, PEI and/or polyetherimide sulfone and polyester each can be provided effectively The amount of miscible polymer blends is present in the polymer composition for capacitor films.

In one embodiment, the feature of the capacitor films can be according to ASTM D648 in 264psi About 100 DEG C to about 225 DEG C or about 110 DEG C measured under (1.8Mpa) on 3.2 millimeters (mm) thick sample are to about 215 DEG C or about 115 DEG C to about 200 DEG C or or equal to or more than about 150 DEG C or equal to or more than about 160 DEG C wait In or more than about 170 DEG C or equal to or more than about 180 DEG C or equal to or more than about 190 DEG C or equal to or more than big About 200 DEG C of HDT.

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be In about 0% to about 2% measured by dielectric spectrometry under 1kHz, 23 DEG C and 50% relative humidity (RH) or about 0.1% to about 1.5% or about 0.1% to about 1% or the dissipation factor (Df) of about 0.1% to about 0.5%.Df Fissipation factor or dielectric loss are also known as, and it is typically referred in the form of heat by the power of dielectric dissipation.Df can Measured according to ASTM D150.RH is normally defined as the ratio of the equilibrium vapor pressure of the partial pressure of vapor and water at a given temperature Rate.

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be In about 0% measured by dielectric spectrometry under 1kHz, 23 DEG C and 50%RH to about 1% or about 0.1% to about 0.75% or the dissipation factor (Df) of about 0.1% to about 0.5%.

In one embodiment, the Df of capacitor films can improve holding with temperature and be basically unchanged, such as be attributed to temperature Improve or reduce any Df change can not adversely disturb the capacitor comprising such capacitor films physics and/or electrically Matter.In one embodiment, the Df of capacitor films at about 0 DEG C to about 200 DEG C or about 0 DEG C to about 185 DEG C or Kept at a temperature of about 0 DEG C to about 175 DEG C or about 0 DEG C to about 170 DEG C or about 0 DEG C to about 150 DEG C basic It is constant.

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be In about 2 measured according to ASTM D150 under 1kHz, 23 DEG C and 50%RH to about 5 or about 3 to about 5 or about 2.5 to about 4.5 or the dielectric constant (Dk) of about 3 to about 4.Generally, Dk refers to material when as capacitor dielectric Storage charge capability.Dk is no unit value, because it is measured with ratio.

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be In the Tg for stablizing polymer composition of the Dk values up to being used to manufacture capacitor films or until than for manufacturing the poly- of capacitor films Low about 10 DEG C of the Tg of polymer composition temperature is until lower than the Tg of the polymer composition for manufacturing capacitor films big About 20 DEG C of temperature.In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can Be to stablize Dk values until about 250 DEG C, until about 240 DEG C or until about 230 DEG C or until about 220 DEG C or Until about 210 DEG C or until about 200 DEG C or until about 190 DEG C or until about 180 DEG C or until about 175 DEG C or until about 170 DEG C or until about 150 DEG C.

In one embodiment, the Dk of capacitor films can improve holding with temperature and be basically unchanged, such as be attributed to temperature Improve or reduce any Dk change can not adversely disturb the capacitor comprising such capacitor films physics and/or electrically Matter.In one embodiment, the Dk of capacitor films at about 0 DEG C to about 200 DEG C or about 0 DEG C to about 185 DEG C or Kept at a temperature of about 0 DEG C to about 175 DEG C or about 0 DEG C to about 170 DEG C or about 0 DEG C to about 150 DEG C basic It is constant.In some embodiments, the Dk of capacitor films can be at about 0 DEG C to the combination of polymers for being used to manufacture capacitor films Within the temperature range of the about Tg of thing, or in about 0 DEG C to about 200 DEG C or about 0 DEG C to about 190 DEG C or about 0 DEG C Change less than about 20% or change based on highest Dk values within the temperature range of to about 170 DEG C or about 0 DEG C to about 150 DEG C Become less than about 10% or change and be less than about 10%.

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be In at least one non-wrinkled region (such as wrinkle-free region), wherein the wrinkle-free region can with it is sufficiently flat and it is smooth with by its During surface metalation, the metalized film has advantageously consistent configuration of surface.

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be In less than about 50 microns or less than about 40 microns or less than about 30 microns or less than about 20 microns or less than big About 15 microns or the film thickness less than about 10 microns.In one embodiment, the feature of the capacitor films can be greatly About 0.1 micron to about 50 microns or about 0.1 micron to about 20 microns or about 0.1 micron to about 15 microns or About 0.1 micron to about 10 microns or about 0.1 micron to about 7 microns of film thickness.

Those skilled in the art by the disclosure, it will be recognized that the variable thickness of the film, or even on wrinkle-free region.It is logical Often, the flatness that the wrinkle-free region of capacitor films can be determined by measuring the change of film thickness in particular area.For herein In disclosure, the capacitor films (such as capacitor films, metallized capacitor film) are with based on the film on particular measurement area Average thickness meter be less than film thickness about +/- 10% or less than film thickness about +/- 9% or less than film thickness about +/- 8% or about +/- 7% less than film thickness or about +/- 6% less than film thickness or less than film thickness about +/- 5% or about +/- 4% less than film thickness or about +/- 3% less than film thickness or less than film thickness about +/- 2% or about +/- 1% film thickness change less than film thickness can be considered as " flat " when being characterized.In an embodiment party In case, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be to be based in particular measurement area On film average thickness meter be less than film thickness about +/- 1% film thickness change.

Generally, the wrinkle-free area on film surface can be quantified by the surface average roughness (Ra) of optical profile art measurement surface The smoothness in domain.Generally, the roughness on surface refers to the fine irregular of the surface.Ra provides each height of such surface imperfection The average value of degree and depth.To disclosure in this article, the capacitor films (such as capacitor films, metallized capacitor film) with It is less than about +/- 3% or less than about +/- 2% or less than about based on the average film thickness meter measured by optical profile art +/- 1% Ra can be considered as wrinkle-free when being characterized.In one embodiment, the capacitor films (such as capacitor films, metal Change capacitor films) feature can be based on the average film thickness meter that is measured by optical profile art less than about +/- 3% Ra。

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be In about +/- 10% film thickness change for being less than film thickness based on the film average thickness meter on particular measurement area；And base It is less than about +/- 3% Ra in the average film thickness meter measured by optical profile art.

Generally, the capacitor films can be characterized by film surface area, and wherein film surface area represents the gross area of capacitor films, bag Include the first film surface area and the second film surface area.

In one embodiment, wrinkle-free region can be produced on big film surface area.In one embodiment, always At least about the 80% of film surface area or at least about 85% or at least about 90% or at least about 95% or at least about 97% can be with wrinkle-free.

In another embodiment, the wrinkle-free region can have at least about 1 square metre of (m²) or at least about 2m²Or At least about 3m²Or at least about 5m²Or at least about 10m²Or at least about 20m²Or at least about 50m²It is or at least big About 100m²Continuous wrinkle-free area.

Those skilled in the art are by the disclosure, it will be recognized that the large scale in wrinkle-free region provides significantly manufacture advantage, i.e., The metallized capacitor film can as coils be manufactured, stores and transported.

In one embodiment, the feature of the capacitor films can be about 1 meter (m) to about 10,000m or big About 10m to about 1,000m or about 100m to about 10,000m or about 100m to about 500m film length.At one In embodiment, the features of the capacitor films can be about 100mm to about 3,000mm or about 200mm to about 2, The film width of 000mm or about 300mm to about 3,000mm or about 100mm to about 1,000mm.

In one embodiment, the capacitor films can be with least about 10 meters of film length and at least about 300 millis The film width of rice, wherein at least about the 80% of total film surface area or at least about 85% or at least about 90% or at least About 95% or at least about 97% can be with wrinkle-free.

In another embodiment, the capacitor films may have about 10 meters to about 10,000 meter of film length and about 300 millimeters to about 3,000 millimeter of film width, wherein at least about the 80% of total film surface area or at least about 85% or At least about 90% or at least about 95% or at least about 97% can be with wrinkle-free.

In one embodiment, wrinkle-free region can with smooth enough and it is flat so that the capacitor films can metallize with There is provided has the metallized capacitor film of substantially uniform breakdown strength (BDS) on the area.In one embodiment, nothing Wrinkle region can with smooth enough and it is flat so that the capacitor films can metallize with provide have it is as described in more detail below The BDS of at least 300 volt/microns (V/micron) metallized capacitor film.

In one embodiment, the feature of the capacitor films (such as non-metallic capacitor films) can be basis About 100V/micron to about 1,500V/micron that ASTM D149 are measured under 23 DEG C and 50%RH to 10 micron membranes, Or about 200V/micron to about 1,250V/micron or about 300V/micron to about 1,000V/micron or About 500V/micron to about 800V/micron or about 600V/micron to about 800V/micron BDS.It is logical Often, BDS represents the maximum field (such as energy density) that material can be born before breakdown.Those skilled in the art are by the disclosure , it will be recognized that being based on following theoretical equation (2), the improvement of electrical property (such as Dk, BDS etc.) significantly improves energy density：

Energy density=1/2* ∈ o*Dk*BDS² (2)

Wherein linear and power law describes the relation between energy density and Dk and BDS respectively；And whereinIt is to represent The constant of the capacitivity of free space.Those skilled in the art by the disclosure, it will be recognized that under high-temperature and frequency, especially The BDS for being difficult to improve material is without influenceing other property Dk and Df.Energy density is improved it is noted that BDS improves 25% 56%, and Dk change is linearly.

In one embodiment, the capacitor films are from about 0 DEG C to about 200 DEG C or from about 0 DEG C to about 190 DEG C or the BDS differences from about 0 DEG C to about 170 DEG C or from about 0 DEG C to about 150 DEG C can be BDS at 23 DEG C Value is less than about 40% or less than about 30% or less than about 20% or less than about 10%, wherein according to ASTM D149 measures BDS.

In one embodiment, the capacitor films (such as non-metallic capacitor films) can have based at 23 DEG C Capacitance meter be less than about +/- 5% or less than about +/- 4% or less than about +/- 3% at 1 khz and from about 0 DEG C To about 200 DEG C or from about 0 DEG C to about 190 DEG C or from about 0 DEG C to about 170 DEG C or from about 0 DEG C to about 150 DEG C of capacitance difference.Generally, electric capacity refers to the ability of material storage electric charge.

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be It is less than about 0.75 or less than about 0.6 or less than about 0.5 in metalized surface in what is measured according to ASTM D1894 The coefficient of kinetic friction in (such as aluminium surface) and/or on themselves.Generally, the coefficient of kinetic friction, also referred to as move or slide and rub Wiping coefficient, to be that frictional force between two solids, such as between two surfaces of solids is great measure.

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be It is less than about 0.75 or less than about 0.6 or less than about 0.5 in metalized surface in what is measured according to ASTM D1894 Confficient of static friction in (such as aluminium surface) and/or on themselves.Generally, confficient of static friction is not moved on two surfaces When between two solids, such as frictional force between two surfaces of solids is great measures.

In one embodiment, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be In the about 0.4N/mm to about 3.5N/mm measured according to ASTM D1938 using the sample with 20 micron thickness or about 0.5N/mm to about 3.0N/mm or about 1N/mm to about 2.5N/mm longitudinal direction (MD) trousers shape tearing strength.In a reality Apply in scheme, the feature of the capacitor films (such as capacitor films, metallized capacitor film) can be such as according to ASTM D1938 uses the sample about 0.4N/mm to about 3.5N/mm that measures or about 0.5N/mm with 20 micron thickness to big About 3.0N/mm or about 1N/mm to about 2N/mm transverse direction (TD) trousers shape tearing strength.Trousers shape tearing strength refers to that tear exists With the mean force divided by sample thickness needed for the sprawling of constant tearing velocity on sample, and it is used for the film that thickness is less than 1 millimeter. The tear can be spread with MD or TD.

In one embodiment, the feature of the capacitor films can be to be less than about 1.35 or less than about 1.30 Or the carbon less than about 1.25/(oxygen+hydrogen) (C/ (O+H)) ratio.For example, C/ (O+H) ratio of PEI (PEI) is about 1.23；Polyetherimide sulfone (PEIS) is about 1.11；ITR-PC-Si is about 1.10；PEN (PEN) It is about 1.00；Polyethylene terephthalate (PET) is about 0.83；PPSU (PPSU) is about 0.92；And gather Propylene (PP) is about 0.50.In addition, for example, polyphenylene sulfide (PPS) --- the known material with bad dielectric properties --- Compare with about 1.50 C/ (O+H).C/ (O+H) is than that can be important in terms of into charcoal in scale removal process.Generally, clear up, Also referred to as self-healing, refer to remove the defects of being caused by pin hole, film flaw or external voltage transition.By the electric arc in breakdown process Forming the heat of generation makes the very thin metallization evaporation of the film around the trouble point, thus removes and isolates short-circuit condition.From this The heat of scale removal process can cause into charcoal.Bound by theory is not intended to, if C/ (O+H) ratio is too high, such as such as in the case of PPS 1.5, then carbon (such as charcoal) thick layer deposition can be used as, insulaion resistance can improve, and power can be easier dissipate, this is not conform to Meaning.

In one embodiment, the capacitor films (such as capacitor films, metallized capacitor film) can be substantially without molten Agent, i.e., it is less than about 1,000ppm or less than about 750ppm or less than about containing the gross weight meter based on the capacitor films 500ppm or the solvent (such as compound of the Mw with less than about 250Da) less than about 250ppm.

In one embodiment, the capacitor films (such as capacitor films, metallized capacitor film) can be without amplification In the case of the observation of 0.3 meter of distance when do not have at least about 3 square metres of area or at least about 9 square metres of area There are observable spot or gel.

In one embodiment, the capacitor films (such as capacitor films, metallized capacitor film) are at 100 square centimeters Area in include less than 2 or less than 1 diameter is more than about 20 microns of carbonization field trash.

In one embodiment, the capacitor films (such as capacitor films, metallized capacitor film) are at 100 square centimeters Area in include less than 2 or less than 1 diameter is more than about 20 microns of gel area.

In one embodiment, the capacitor films (such as capacitor films, metallized capacitor film) can be in amplification 50x There is no observable space during observation at least about 3 square metres of area or at least about 9 square metres of area.

In one embodiment, the high yield extrusion capacitor of a kind of uniaxial tension comprising miscible polymer blends Film includes PEI and polyester；Wherein described PEI include derived from aromatic dianhydride with comprising m-phenylene diamine (MPD), right The unit of the polymerization of phenylenediamine or the diamines of its combination；Wherein described PEI is substituted or unsubstituted aromatic primary monoamine envelope End；Wherein described polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid；Wherein institute State high yield extrusion capacitor films it is solvent-free and comprising based on enter extruder before miscible polymer blends gross weight meter, Miscible polymer blends into the extruder for manufacturing capacitor films are equal to or more than about 90 weight %；Wherein institute Stating capacitor films has about 0.1 micron to about 20 microns of film thickness；Wherein described PEI, which has, passes through gel Weight average molecular weight of the permeation chromatography (GPC) using the about 20,000Da that polystyrene standards measure to about 400,000Da； Wherein described PEI have by Capillary rheometry measured at 340 DEG C less than about 10 100sec^-1Under viscosity with 5,000sec^-1Under viscosity ratio；Wherein described PEI has according to ASTM The stretch modulus equal to or more than about 380,000psi (2,618MPa) that D638 is measured；Wherein described polyester, which has, to be passed through The about 25,000Da that GPC is measured to about 75,000Da weight average molecular weight；Wherein described polyester has about 0.1dl/g extremely About 0.83dl/g inherent viscosity；Wherein described capacitor films have the glass transition temperature more than about 180 DEG C；Wherein The capacitor films have what is measured according to ASTM D648 under 264psi (1.8Mpa) on 3.2 millimeters (mm) thick sample Thermal distoftion temperature equal to or more than about 160 DEG C；Wherein described capacitor films have according to ASTM D150 1kHz, 23 DEG C With the dielectric constant of about 3 to about 5 measured under 50%RH；Wherein described capacitor films have 1kHz, 23 DEG C and 50% The dissipation factor of about 0.1% to about 0.5% measured under RH；Wherein described capacitor films have to exist according to ASTM D149 The about 600V/micron measured at 23 DEG C to about 800V/micron breakdown strength；Wherein described capacitor films have base It is less than about +/- 10% wrinkle-free region of film thickness in the film average thickness meter film thickness change on particular measurement area； And wherein described capacitor films have is less than about +/- 3% based on the average film thickness meter measured by optical profile art Surface average roughness (Ra).In such embodiments, the height of the uniaxial tension comprising miscible polymer blends Surrender extrusion capacitor films include about 60:40 to about 99.9:0.01 PEI:Weight polyester than polyetherimide Amine and polyester.In such embodiments, the PEI can further include polyetherimide sulfone.

In one embodiment, the high yield extrusion capacitor films of uniaxial tension are manufactured (such as described in the last period Film) method include (a) and merge described PEI and the polyester to form miscible polymer blends, wherein described poly- Ester includes low inherent viscosity polyethylene terephthalate, and it has (i) based on the polyethylene terephthalate The weight % of gross weight meter about 0.1 to about 4 weight % diethylene glycol derives content, (ii) about 0.1dl/g to big About 0.83dl/g inherent viscosity and (iii) about 10meq/kg to about 150meq/kg amount carboxylic end group content；(b) Melt and mix the miscible polymer blends to form molten polymer；(c) it is big to remove to filter the molten polymer In about 1 micron of particle to form the molten polymer of filtration；(d) through flat at a temperature of about 250 DEG C to about 500 DEG C Die head extrudes the molten polymer of the filtration to form high yield extrusion capacitor films, wherein the high yield extrudes capacitor Film is included based on the gross weight meter into miscible polymer blends before extruder, into the extrusion for manufacturing capacitor films The miscible polymer blends of machine are equal to or more than about 90 weight %；Uniaxial tension described in high yield extrude electric capacity (e) Device film extrudes capacitor films to form the high yield of the uniaxial tension；The high yield of the uniaxial tension is wherein extruded into electric capacity Device film further metallizes and wound to form wound metallized capacitor films.

In one embodiment, the high yield extrusion capacitor of a kind of uniaxial tension comprising miscible polymer blends Film includes polyetherimide sulfone and polyester；Wherein described polyetherimide sulfone includes derived from aromatic dianhydride and includes diaminourea two The unit of the polymerization of the diamines of benzene sulfone；Wherein described polyetherimide sulfone is substituted or unsubstituted aromatic primary monoamine end-blocking；Wherein The polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid；Wherein described high yield Extrude capacitor films it is solvent-free and comprising based on enter extruder before miscible polymer blends gross weight meter, into for Manufacture the miscible polymer blends of the extruder of capacitor films is equal to or more than about 90 weight %；Wherein described capacitor Film has about 0.1 micron to about 20 microns of film thickness；Wherein described polyetherimide sulfone, which has, passes through gel infiltration color Weight average molecular weight of the spectrometry (GPC) using the about 20,000Da that polystyrene standards measure to about 400,000Da；Wherein institute State polyetherimide sulfone have by Capillary rheometry measured at 340 DEG C less than about 10 in 100sec^-1Under Viscosity with 5,000sec^-1Under viscosity ratio；Wherein described polyetherimide sulfone has what is measured according to ASTM D638 Equal to or more than about 380,000psi (2,618MPa) stretch modulus；Wherein described polyester is big with being measured by GPC About 25,000Da to about 75,000Da weight average molecular weight；Wherein described polyester has about 0.1dl/g to about 0.83dl/ G inherent viscosity；Wherein described capacitor films have the glass transition temperature more than about 180 DEG C；Wherein described capacitor Film has to be equal to or more than according to what ASTM D648 were measured under 264psi (1.8Mpa) on 3.2 millimeters (mm) thick sample About 160 DEG C of thermal distoftion temperature；Wherein described capacitor films have according to ASTM D150 under 1kHz, 23 DEG C and 50%RH The dielectric constant of about 3 to about 5 measured；Wherein described capacitor films have what is measured under 1kHz, 23 DEG C and 50%RH The dissipation factor of about 0.1% to about 0.5%；Wherein described capacitor films have to be measured according to ASTM D149 at 23 DEG C About 600V/micron to about 800V/micron breakdown strength；Wherein described capacitor films, which have, to be based in specific survey Measure the about +/- 10% wrinkle-free region that the film average thickness meter film thickness change on area is less than film thickness；And wherein institute Stating capacitor films has the surface for being less than about +/- 3% based on the average film thickness meter measured by optical profile art averagely thick Rugosity (Ra).In such embodiments, the high yield extrusion electricity of the uniaxial tension comprising miscible polymer blends Container film includes about 60:40 to about 99.9:0.01 polyetherimide sulfone:Weight polyester than polyetherimide sulfone and poly- Ester.

In one embodiment, the high yield extrusion capacitor films of uniaxial tension are manufactured (such as described in the last period Film) method include (a) and merge described polyetherimide sulfone and the polyester to form miscible polymer blends, wherein described Polyester includes low inherent viscosity polyethylene terephthalate, and there is (i) to be based on the polyethylene terephthalate for it The weight % of gross weight meter about 0.1 to about 4 weight % diethylene glycol derive content, (ii) about 0.1dl/g extremely About 0.83dl/g inherent viscosity and (iii) about 10meq/kg to about 150meq/kg amount carboxylic end group content； (b) melt and mix the miscible polymer blends to form molten polymer；(c) molten polymer is filtered to remove Particle more than about 1 micron is to form the molten polymer of filtration；(d) passed through at a temperature of about 250 DEG C to about 500 DEG C Flat-mould head extrudes the molten polymer of the filtration to form high yield extrusion capacitor films, wherein the high yield extrudes electric capacity Device film is included based on the gross weight meter into miscible polymer blends before extruder, into for manufacturing squeezing for capacitor films Go out the miscible polymer blends of machine is equal to or more than about 90 weight %；Uniaxial tension described in high yield extrusion electricity (e) Container film extrudes capacitor films to form the high yield of the uniaxial tension；The high yield of the uniaxial tension is wherein extruded into electricity Container film further metallizes and wound to form wound metallized capacitor films.

In one embodiment, capacitor films as disclosed herein can be used for any amorphous film purposes, but especially suitable For metallizing.In one embodiment, the metallized capacitor film can be used for any metalized film purposes, but particularly suitable In electric purposes, such as capacitor or circuit material.Can use be wound into cylinder (such as wound metallized capacitor Film) or stack and be pressed into the metal of rectangular or square (such as stacked membrane capacitance, (diced) membrane capacitance of cutting) Fluidized polymer film manufacture high-energy-density (such as higher than about 1J/cm³), high voltage (such as higher than about 150V) nonpolar electricity Container.

In one embodiment, capacitor films as disclosed herein may be molded to various products, include but is not limited to Electronic products, such as capacitor (such as the capacitor for vehicle inverter, capacitor for automobile converter etc.).

In one embodiment, the polymer composition for being used for capacitor films can be extruded, then by vacuum It will be metallized in room through vapour deposition on conducting metal such as copper or sprayed aluminum to mobile polymer film to about 1 angstrom to about 1,000 nanometers or about 1 angstrom to about 3,000 angstroms or about 1 angstrom to about 1,000 angstroms of metal layer thickness.The capacitor The resistivity of metal level on film can be in the range of about 0.1 ohm-sq to about 100 ohm-sqs.It is being somebody's turn to do Before metallization, the polymer film can be suitably sheltered to provide non-metallic edge in the widthwise edges of the film, so that golden The alternating layer of categoryization film can have non-metallized regions to prevent from applying end final (when assembling capacitor) in opposite edge The electrical short of the electrode of capacitor when holding (end) metallization.

In one embodiment, electric capacity can be manufactured by the way that the metallized polymeric film roll of two stackings is coiled into tubulose Device.Then will can be wired on each metal level.In one embodiment, the separated metalized films of volume two can be put It is tightly wound in machines for winding capacitor and together in mandrel (it can then be removed) so that layer is with polymer composition/metal Change the order arrangement of layer/polymer composition/metal layer, with the typical construction of duplicated capacitor, i.e., on opposite both sides Dielectric with two metal levels.In one embodiment, the capacitor includes wound metallized capacitor films.The two Film roll is wound in the case of can having non-metallic edge on the opposite side.

Those skilled in the art are by the disclosure, it will be recognized that the winding degree of capacitor depends on required electric capacity implements Manage size or required electric capacity.This being closely wound of volume two helps to remove may cause any retention of premature breakdown empty originally Gas.Each capacitor can be processed in the clean of at least grade 100 comprising HEPA filters, to reduce dielectric film layer Between the possibility that is polluted by foreign particles of contact point and reduce moisture intrusion in dielectric.Electricity winding can be used for more preferable Ground keeps the uniform tension on each capacitor.The capacitor can then tap (taped) and tie up at its edge (strapped) in all open pallet in both sides, sprayed with preventing film layer from unwinding and allowing with conductive compositions (such as conducting metal) Apply the edge or end of the cylinder.For direct current (DC) purposes, the solder of high zinc content can be used to spray for the first time, then used The conventional softer end surfacing material (end spray solder) of 90% tin, 10% zinc.Spraying scratches metalized surface for the first time And manufacture groove is contacted with realizing with the more preferable of the metallization on dielectric film.The combination of end surfacing (end sprays) is further Help to bond with the more preferable contact of final terminal (final termination).Then, can be by conductive (such as aluminium) lead It is welded on each end to form final terminal (final termination).One terminal can spot weld the bottom of the tank, And another terminal can be welded on lid with parallel.The capacitor can in vacuum filling device filling maceration extract it is (such as different Propyl group phenylsulfone) and close.

In another embodiment, electronic products can be included and (such as metallized by wound metallized uniaxial tension extruded film Capacitor films, wound metallized capacitor films) made of capacitor.

Those skilled in the art are by the disclosure, it will be recognized that the configuration of other capacitors is also possible to.For example, the capacitor There can be planar configuration, it includes at least the first and second electrodes arranged with stack arrangement；With arrangement between them and with The capacitor films that first and second electrodes each at least partly contact.Building-out condenser film and electrode layer may be present in alternating layer In.In one embodiment, polymer composition layer/metal level/Jie can be included for forming the multi-layer product of electronic device Electric layer, the wherein dielectric layer can be capacitor films or another dielectric material as disclosed herein.Extra play can be optionally present (such as additional alternating dielectric/metal level).

In some embodiments, capacitor films (such as metallized capacitor film) can be stacked to form stacked film electricity Container.Metallized capacitor film can use adhesive (such as wax) to be coated with heap prestack., can in stacked metallization capacitor films With at the top of the stacked body of metallized capacitor film and/or bottom applies non-metallic capacitor films or non-metallic sheet material, and Further compression and the heating of gained stacked body to promote metallized capacitor diaphragm bonded to each other, can be consequently formed lamination Formula membrane capacitance.In one embodiment, the stacked membrane capacitance can further cutting (diced) (such as cutting, Cubed, chopped, segmentation, division etc.) to form (diced) membrane capacitance of cutting.In one embodiment, can incite somebody to action At least one conductive layer is applied on (diced) membrane capacitance of the cutting.Those skilled in the art will appreciate that by the disclosure Arrive, (diced) membrane capacitance of stacked membrane capacitance and cutting is high energy density capacitor.

In one embodiment, the capacitor of the capacitor films containing polymer composition as disclosed herein is included Can be vehicle inverter and/or converter (such as inverter for hybrid-power electric vehicle, for hybrid-power electric vehicle Converter, the inverter for electric car, the converter for electric car etc.) a part.

In one embodiment, by polymer composition (such as PEI and/or the PEI of the disclosure Sulfone and polymer blend) made of capacitor films can advantageously with it is poly- (propylene) by other polymer, such as double orientation (BOPP), film made of polyphenylene sulfide (PPS), polyether-ether-ketone (PEEK) etc. compared to show improved electrical property (such as BDS, Dk、Df).Those skilled in the art will appreciate that by the disclosure, it is extremely difficult to obtain the appropriately combined with except melt adds of electrical property Work also realizes high-energy-density while high temperature capabilities are kept outside into film.In view of this consideration, with by as disclosed herein Polymer composition (such as PEI and/or polyetherimide sulfone and polymer blend) for capacitor films form Material made of dielectric film be novel and useful.The film and made of the film capacitor therefore with for manufacturing electronics work The current material of industry part compares offer advantage with method.

In one embodiment, by polymer composition (such as PEI and/or the PEI of the disclosure Sulfone and polymer blend) made of capacitor films can advantageously show stable Dk until about 170 DEG C.People in the art Member is by the disclosure, it will be recognized that the electrical property of capacitor films is generally stable until the Tg of the capacitor films.

In one embodiment, by polymer composition (such as PEI and/or the PEI of the disclosure Sulfone and polymer blend) made of capacitor films advantageously can be manufactured in solventless method, this is provided on an industrial scale reliably Manufacture the ability of such capacitor films.For traditional capacitor film, the film of (solvent-case) can be difficult under solvent case Middle removing solvent.Extrusion capacitor films as disclosed herein can with solvent-free processing, to provide cost and manufacture advantage, and It is more environmentally friendly.In one embodiment, by polymer composition (such as PEI and/or the PEI of the disclosure Sulfone and polymer blend) made of capacitor films can be processed into advantageous by melt extrusion it is uniform less than about 20 microns Film thickness.

In one embodiment, by polymer composition (such as PEI and/or the PEI of the disclosure Sulfone and polymer blend) made of capacitor films can advantageously for example with PEI and/or polyetherimide sulfone component Itself shows improved melt flows rheology at processing temperatures when comparing.Generally, polyester and PEI and/or Polyetherimide sulfone compared to having a low viscosity, therefore when being blended together polyester by reducing PEI and/or polyethers Its machinability of the viscosity modified of acid imide sulfone.

In one embodiment, by polymer composition (such as PEI and/or the PEI of the disclosure Sulfone and polymer blend) made of capacitor films Dk and BDS raising can be advantageously shown compared with traditional capacitor film, together When keep other favourable physically and electrically characteristics, such as flexible, thinness and dielectric constant stability.In some embodiments, such as Capacitor films disclosed herein can have high BDS (being more than about 600V/micron), high Dk (being more than about 3) and low Df (small In about 1%).

In one embodiment, by polymer composition (such as PEI and/or the PEI of the disclosure Sulfone and polymer blend) made of capacitor films be advantageously used for auto industry (such as electric automobile inverter and/or conversion Device, DC-DC converter, AC-DC inverters, filter, circuit isolation etc.) and for needing high running temperature and high-energy close Spend any electricity/electronic applications of dielectric material.By polymer composition (such as PEI and/or the polyethers acyl of the disclosure Imines sulfone and polymer blend) made of capacitor films attendant advantages be investigate the disclosure those skilled in the art it is aobvious and easy See.

Embodiment

Although having substantially described the theme, as the disclosure particular and in order to illustration its practice And advantage, provide the following example.Provide it is to be understood that embodiment is illustrative only and be not intended to limit in any way The explanation of subsequent claims processed.Various capacitor films and polymer composition are assessed using following test program.

Using differential scanning calorimetry (DSC) with the 20 DEG C/min rate of heat addition for PEI (control/contrast) To 300 DEG C, for made of the polymer composition for capacitor films as disclosed herein capacitor films to 250 DEG C survey Measure the glass transition temperature (Tg) of capacitor films.Result is reported when scanning for second.

Measure the trousers shape tearing strength of membrane sample on (TD) at longitudinal direction (MD) and laterally according to ASTM D1938.

Measure the dynamic and confficient of static friction of extruded film on aluminum surfaces according to ASTM D1894.

Pass through the transparency for visually evaluating measurement film on film surface.The capacitor films do not have vision muddy or opacity.

The dielectric breakdown for the extrusion film for testing each material in GALDEN HT oil using ASTM D149 test methods is strong Spend (BDS), wherein GALDEN HT are a series of dielectric fluids with 55 DEG C to 270 DEG C of boiling point and are purchased from Ideal Vacuum Products,LLC..The oil is set to reach test temperature using hot plate/resistance coil.Electrode is by 3 inch brass plates 1/4 inch of stainless steel ball on hearth electrode is formed.The brass sheet is using Trek 30/20 ± 30kV DC high voltage power supplies with 500V/s Oblique ascension is until the material electrical short and the voltage for causing to puncture by Labview computer softwares record.20 DEG C, 50 DEG C, 100 DEG C, measure BDS at 135 DEG C and 150 DEG C.The value of report represents the average value and report on 20 samples at each temperature Weibull statistical analyses.

By following method to membrane sample Measuring Dielectric Constant (Dk) and dissipation factor (Df).By electron beam evaporation via 10mm circles shadow mask deposits the gold of 100 nanometer thickness as top electrode on 5 samples of all types of materials.Hearth electrode is by sample The gold composition of 100 nanometer thickness in whole floor space.Existed using Agilent E4980A Precision LCR Meter measurements The electric capacity and dissipation factor of applying bias off field.Using electrode diameter (using 10mm round diameters electrode to all electric tests) and Film thickness calculates Dk.Use the Heidenhain Metro thickness gauge calculating film thicknesses for being accurate to ± 0.2 μm.Furnace temperature is from -40 DEG C to 150 DEG C change and LCR meter at respective temperature from 100Hz to 1GHz change frequency range.Connection in the stove Thermocouple on to digital multimeter examines furnace temperature.

Embodiment 1

The property of polymer composition for capacitor films of the research comprising PEI (PEI) and polyester (PE). More specifically, the sample summarized in such as table 1 is compounded into pill first, then film extrusion.

Table 1

ULTEM 1010K are the PEI characterized by structure Vb.PET is the polyester characterized by structure XIII.PEN be with The KALADEX polymer that structure XIV is characterized.Co-PEN is Imperial Chemical Industries (ICI) supplies PEN copolyesters.Phosphite ester stabilizer is IRGAPHOS 168 (three-di-t-butyl of phosphorous acid phenylester).

The property of extruded material is shown in table 2.

Table 2

The resin blend (such as polymer composition for capacitor films) easily uses twin screw compounding into pill Form, then melt extrusion is into the film with 10 micron thickness.For dielectric breakdown strength (BDS), dielectric constant (Dk) and consumption The material character of the factor (Df) is dissipated, the raising depending on temperature and the performance of frequency is surprising and is not previously predicted. Based on equation (2), the improvement of property significantly improves energy density, wherein linear and power law describes the pass with Dk and BDS respectively System.

Embodiment 2

Study the gathering for capacitor films as described in example 1 above by including PEI (PEI) and polyester (PE) The electrical property of membrane sample made of polymer composition.More specifically, the average breakdown strength (BDS) of research.

It is listed in Table 3 with the average BDS values [V/micron] of composition and the material of temperature test.

Table 3

Temperature [DEG C]	Sample A	Sample #1	Sample #2	Sample #3
					RT	588	697	666	644
50	595	605	558	651
					100	587	537	716	647
135	576	622	641	690
					150	550	536	590	669

The BDS of 10 microns of thick films value is generally from comparative sample A to sample #1, sample #2 and sample #3 are improved, and BDS is carried High level is 690V/micron to 716V/ for 644V/micron at room temperature extremely 669V/micron, peak value BDS at 150 DEG C micron.The BDS improves 9.5% to 21.6% raising for representing BDS performances, therefore energy density is improved into 20% to 48% (in equation (2) with power 2 be ratio).In addition, it is pointed out that each embodiment material obtain at a certain temperature maximum and Between RT to 135 DEG C.It is not uncommon that the BDS of material is improved and reduced with temperature after reaching a maximum value.It is not expected that Also without the nonlinear response it is expected to composition.

Embodiment 3

Study the gathering for capacitor films as described in example 1 above by including PEI (PEI) and polyester (PE) The electrical property of membrane sample made of polymer composition.More specifically, research dielectric constant (Dk) and dissipation factor (Df).

It is listed in the Dk and Df and data of 10 microns of thick films of temperature and frequency studies in table #4 (Dk) and table #5 (Df).

Table 4

Table 5

As shown in table 4, Dk is improved under constant frequency and reduced with temperature, and Dk intensity of variation and its value are weights Want.At 1 khz as temperature brings up to 150 DEG C from 20 DEG C, sample A Dk is from 3.06 to 3.01.On the contrary, sample 1 is in each frequency It is insensitive to temperature change under rate, so that Dk is remained relatively unchanged over.This confirms that it is at 1 khz from 20 DEG C to 150 to sample #1 DEG C Dk 3.28 to 3.27 keep be basically unchanged.Sample #2 and sample #3 shows the trend similar with sample A, but tests altogether Dk value of the mixed thing at 1 khz at 20 DEG C to 150 DEG C is significantly higher, and its value is respectively 3.26 to 3.12, and 3.17 to 3.12.This Outside, Dk values are generally improved and reduced with frequency at a constant temperature.Frequencies of Dks of the sample A at 20 DEG C in 100Hz to 1MHz Become 3.05 from 3.07 in the range of rate.Similar trend is reported to sample #1, sample #2 and sample #3, but in higher Dk values Under.Dk raising is attributed to PET, PEN and co-PEN polyester characterized by 3.2 to 3.3 Dk at 1kHz and 20 DEG C The addition of thing.High Dk meaning is that it is directly translated into higher energy density as described in equation (2).

Compared with sample A, sample #1, sample #2 and sample #3 Df form according to film to be carried in temperature and frequency shift It is high.It is generally understood that, higher Dk can cause higher Df.The sample #1 within the temperature range of 20 DEG C to 150 DEG C at 1 khz Df is 0.214% to 0.332%, and sample A is 0.153% to 0.294%.In a similar manner, sample #2 and sample #3 Df 0.511% is brought up to from 0.424% respectively, and 0.282% is brought up to from 0.208%.Df it is estimated with the PET in capacitor films, PEN or co-PEN contents are improved, because it is a feature of polyester material (higher Df), and PEI is kept in temperature range It is relatively stable.Df raising is considered as not ideal；But all samples are all wanted in capacitor films purposes less than 1% well Ask following.

Table 6 summarizes some capacitor films properties of given the test agent, shows polyester resin being added in ULTEM resins to changing The effectiveness for the dielectric properties entered in high temperature and high-energy capacitor.

Table 6

For any American National stage submitted by the application, all publications and patents mentioned in the disclosure are in full It is incorporated herein by this reference, with the structure described in these publications for describing and may being openly used in combination with disclosed method Make and method.Any publication discussed herein and patent are only that their disclosures before the submitting day of the application carry For.Any content herein is not necessarily to be construed as recognizing that the present inventor haves no right with first invention prior to such disclosure.

In any application in face of U.S.Patent ＆ Trademark Office, the summary of the application is used to meet 37C.F.R. §'s 1.72 It is required that " U.S.Patent ＆ Trademark Office and the public is set to examine rapid determine by rough with the intention described in 37C.F.R. § 1.72 (b) Property disclosed in the technology and main idea (to enable the United States Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure)”.Therefore, the application plucks To be not intended to the scope for being used for the scope or limitation the subject matter disclosed herein for explaining claims.It is in addition, used herein Any title is also not intended to the scope for being used for the scope or limitation the subject matter disclosed herein for explaining claims.Use past tense The embodiment that description is indicated as constructive (constructive) or predictive (prophetic) originally is not intended to reflect actually Have been carried out constructive (constructive) or predictive (prophetic) embodiment.

The disclosure is further illustrated by the following example, they are not necessarily to be construed as limiting the model of the disclosure anyway Enclose.On the contrary, it is to be expressly understood that can resort to those of ordinary skill in the art after description herein is read it is contemplated that it is each The spirit or the scope of the appended claims of kind other side, embodiment, modification and its equivalent without departing from the present invention.

Additional disclosure

Here is the non-limiting specific embodiment according to the disclosure：

First embodiment, it is a kind of high yield extrusion capacitor films of uniaxial tension, and it contains polyetherimide The miscible polymer blends of amine and polyester；Wherein described PEI includes derived from aromatic dianhydride and includes isophthalic two The unit of the polymerization of the diamines of amine, p-phenylenediamine or its combination；Wherein described PEI is substituted or unsubstituted aromatic primary Monoamine blocks；Wherein described polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid； And wherein described high yield extrusion capacitor films are included based on the gross weight into miscible polymer blends before extruder Meter, the miscible polymer blends into the extruder for manufacturing capacitor films are equal to or more than about 90 weight %.

Second embodiment, it is the capacitor films of the first embodiment, wherein the capacitor films are micro- with about 0.1 The thickness of rice to about 50 microns.

3rd embodiment, it is the capacitor films of any one of the first to the second embodiment, wherein the capacitor films With about 0.1 micron to about 20 microns of thickness.

4th embodiment, it is the capacitor films of any one of the first to the 3rd embodiment, wherein the polyetherimide Amine has by gel permeation chromatography (GPC) using the about 20,000Da that polystyrene standards measure to about 400, 000Da weight average molecular weight；Wherein described PEI is small with being measured by Capillary rheometry at 340 DEG C In about 11 in 100sec^-1Under viscosity with 5,000sec^-1Under viscosity ratio；Wherein described PEI tool The stretch modulus equal to or more than about 380,000psi (2,618MPa) that with good grounds ASTM D638 are measured；It is wherein described poly- Ester has the weight average molecular weight by the about 25,000Da that GPC is measured to about 75,000Da；Wherein described polyester has big About 0.1dl/g to about 0.83dl/g inherent viscosity；There is wherein described capacitor films the vitrifying more than about 170 DEG C to turn Temperature；Wherein described capacitor films have according to ASTM D648 under 264psi (1.8Mpa) in the sample that 3.2 millimeters (mm) is thick What is measured on product is equal to or more than about 150 DEG C of thermal distoftion temperature；Wherein described capacitor films have to exist according to ASTM D150 The dielectric constant of about 3 to about 5 measured under 1kHz, 23 DEG C and 50% relative humidity (RH)；Wherein described capacitor films tool There is the dissipation factor of about 0% to about 1% measured under 1kHz, 23 DEG C and 50%RH；Wherein described capacitor films have Breakdown strength according to the about 500V/micron that ASTM D149 are measured at 23 DEG C to about 800V/micron；Wherein institute Capacitor films are stated with about +/- less than film thickness based on the film average thickness meter film thickness change on particular measurement area 10% wrinkle-free region；And wherein described capacitor films have small based on the average film thickness meter measured by optical profile art In about +/- 3% surface average roughness (Ra).

5th embodiment, it is the capacitor films of any one of first to fourth embodiment, wherein the polyetherimide Amine has by gel permeation chromatography (GPC) using the about 20,000Da that polystyrene standards measure to about 400, 000Da weight average molecular weight；Wherein described PEI is small with being measured by Capillary rheometry at 340 DEG C In about 10 in 100sec^-1Under viscosity with 5,000sec^-1Under viscosity ratio；Wherein described PEI tool The stretch modulus equal to or more than about 380,000psi (2,618MPa) that with good grounds ASTM D638 are measured；It is wherein described poly- Ester has the weight average molecular weight by the about 25,000Da that GPC is measured to about 75,000Da；Wherein described polyester has big About 0.1dl/g to about 0.83dl/g inherent viscosity；There is wherein described capacitor films the vitrifying more than about 190 DEG C to turn Temperature；Wherein described capacitor films have according to ASTM D648 under 264psi (1.8Mpa) in the sample that 3.2 millimeters (mm) is thick What is measured on product is equal to or more than about 170 DEG C of thermal distoftion temperature；Wherein described capacitor films have to exist according to ASTM D150 The dielectric constant of about 3 to about 5 measured under 1kHz, 23 DEG C and 50%RH；Wherein described capacitor films have in 1kHz, 23 DEG C and 50%RH under the dissipation factor of about 0.1% to about 0.5% that measures；Wherein described capacitor films have according to ASTM The about 600V/micron that D149 is measured at 23 DEG C to about 800V/micron breakdown strength；Wherein described capacitor films With based on the film average thickness meter film thickness change on particular measurement area be less than film thickness about +/- 10% it is wrinkle-free Region；And wherein described capacitor films have based on the average film thickness meter measured by optical profile art less than about +/- 3% surface average roughness (Ra).

6th embodiment, it is the capacitor films of any one of the first to the 5th embodiment, wherein the capacitor films With according to ASTM D1894 measure less than about 0.75 in metalized surface, on aluminium and/or on themselves The coefficient of kinetic friction.

7th embodiment, it is the capacitor films of any one of the first to the 6th embodiment, wherein the capacitor films With according to ASTM D1894 measure less than about 0.75 in metalized surface, on aluminium and/or on themselves Confficient of static friction.

8th embodiment, it is the capacitor films of any one of the first to the 7th embodiment, wherein the capacitor films From about 0 DEG C to about 170 DEG C, holding is basically unchanged dielectric constant at 1 khz, wherein the change of the dielectric constant is less than About 20% of highest dielectric constant values within the temperature range of about 0 DEG C to about 170 DEG C.

9th embodiment, it is the capacitor films of any one of the first to the 8th embodiment, wherein the capacitor films From about 0 DEG C to about 170 DEG C, holding is basically unchanged dissipation factor at 1 khz, and wherein described dissipation factor is about 0.1% to about 1%.

Tenth embodiment, it is the capacitor films of any one of the first to the 9th embodiment, wherein at 23 DEG C and 50% The dissipation factor of the capacitor films measured under RH from 1kHz to 100kHz is about 0.1% to about 1%.

11st embodiment, it is the capacitor films of any one of the first to the tenth embodiment, wherein the capacitor Breakdown strength difference of the film from about 0 DEG C to about 170 DEG C is less than the breakdown strength value at 23 DEG C measured according to ASTM D149 About 40%.

12nd embodiment, it is the capacitor films of any one of the first to the 11st embodiment, wherein the electric capacity Device film has based on the capacitance meter at 23 DEG C less than about +/- 5% at 1 khz and from about 0 DEG C to about 170 DEG C Capacitance difference.

13rd embodiment, it is the capacitor films of any one of the first to the 12nd embodiment, wherein the electric capacity Device film has the single glass transition temperature equal to or more than about 170 DEG C.

14th embodiment, it is the capacitor films of any one of the first to the 13rd embodiment, wherein the electric capacity Device film includes in 100 square centimeters of area is less than the carbonization field trash that 2 diameters are more than about 20 microns.

15th embodiment, it is the capacitor films of any one of the first to the 14th embodiment, wherein the electric capacity Device film has about 10 meters to about 10,000 meters of film length and about 300 millimeters to about 3,000 millimeters of film width, its In total film surface area it is at least about 80% wrinkle-free.

16th embodiment, it is the capacitor films of any one of the first to the 15th embodiment, wherein the electric capacity There is device film carbon/(oxygen+hydrogen) (C/ (O+H)) less than about 1.25 to compare.

17th embodiment, it is the capacitor films of any one of the first to the 16th embodiment, wherein the electric capacity Device film is with the about 0.5N/mm to about 3.0N/mm measured according to ASTM D1938 using the sample with 20 micron thickness Longitudinal trousers shape tearing strength.

18th embodiment, it is the capacitor films of any one of the first to the 17th embodiment, wherein the electric capacity Device film is with the about 0.5N/mm to about 3.0N/mm measured according to ASTM D1938 using the sample with 20 micron thickness Horizontal trousers shape tearing strength.

19th embodiment, it is the capacitor films of any one of the first to the 18th embodiment, wherein the electric capacity Device film includes the solvent that the gross weight meter based on the capacitor films is less than about 1000ppm.

20th embodiment, it is the capacitor films of any one of the first to the 19th embodiment, wherein the polyethers Acid imide is represented by Formula V：

Wherein T is the group shown in-O- or formula-O-Z-O-, wherein two valence links of-O- or-O-Z-O- groups are 3,3'；3, 4'；4,3'；Or 4,4' position, wherein Z are the divalent aromatic hydrocarbon radical with 6 to 27 carbon atoms, its halide derivative, with 2 To the straight chain or branched chain alkylidene of 10 carbon atoms, its halide derivative, the cycloalkylidene with 3 to 20 carbon atoms, its Halide derivative or formula-(C₆H₁₀)_z- shown group, wherein z is 1 to 4 integer；And wherein R be comprising m-phenylene diamine (MPD), The residue of p-phenylenediamine or the diamines of its combination.

21st embodiment, it is the capacitor films of the 20th embodiment, and wherein Z is the divalence shown in formula IV a Group：

Wherein Q^aBe singly-bound ,-O- ,-S- ,-C (O)-,-SO₂- ,-SO- or-C_y-2y-, its halide derivative, and wherein y It is 1 to 5 integer.

22nd embodiment, it is the capacitor films of any one of the 20th to the 21st embodiment, wherein Z by Formula X I is represented：

23rd embodiment, it is the capacitor films of any one of the first to the 22nd embodiment, wherein described PEI includes anhydride group/1.0 amine groups of about 1.0 to about 1.4 molar equivalents.

24th embodiment, it is the capacitor films of any one of the first to the 23rd embodiment, wherein described Substitution or unsubstituted aromatic primary monoamine include substitution and unsubstituted aniline, substitution and unsubstituting naphthyl primary amine and substitution and unsubstituted Heteroaryl amine, wherein substituent are selected from the C being bonded on aromatic ring_6-12Aryl, halogenation C_6-12Aryl, C_1-12Alkyl, halogenation C_1-12Alkane Base, sulfone group, C_1-12Ester group, C_1-12Amide group, halogen, C_1-12Alkyl ether groups, C_6-12Aryl ether group and C_6-12Aryl Ketone group.

25th embodiment, it is the capacitor films of any one of the first to the 24th embodiment, wherein described Substitution or unsubstituted aromatic primary monoamine include aniline.

26th embodiment, it is the capacitor films of any one of the first to the 25th embodiment, wherein described PEI further includes polyetherimide sulfone.

27th embodiment, it is the capacitor films of the 26th embodiment, wherein PEI:Polyethers acyl The weight ratio of imines sulfone is about 99:1 to about 30:70.

28th embodiment, it is the capacitor films of any one of the first to the 27th embodiment, wherein described PEI is present in the miscible polymer blends with about 60 weight % to about 99.9 weight % amount.

29th embodiment, it is the capacitor films of any one of the first to the 28th embodiment, wherein described PEI is present in the miscible polymer blends with about 70 weight % to about 95 weight % amount.

30th embodiment, it is the capacitor films of any one of the first to the 29th embodiment, wherein described poly- Etherimide includes removing comprising derived from the amine comprising m-phenylene diamine (MPD), p-phenylenediamine or its combination less than about 15 weight % PEI outside the PEI of the unit of polymerization.

31st embodiment, it is the capacitor films of any one of the first to the 30th embodiment, wherein described poly- Ester includes the constitutional repeating unit shown in Formula X II：

Wherein B is divalent group, C derived from dihydroxy compounds_2-10Alkylidene, C_6-20Alicyclic group, C_6-20Virtue Base or polyalkylene oxide groups, alkylidene therein contain 2 to 6 carbon atoms or 2,3 or 4 carbon atoms；And wherein T^aIt is Divalent group, C derived from aromatic dicarboxylic acid_2-10Alkylidene, C_6-20Alicyclic group, C_6-20Alkylaryl or C_6-20Aryl.

32nd embodiment, it is the capacitor films of any one of the first to the 31st embodiment, wherein described Polyester includes polyethylene terephthalate (PET), poly- (terephthalic acid (TPA) 1,4- butanediol esters) (PBT), poly- naphthalenedicarboxylic acid Glycol ester (PEN), poly- (naphthalenedicarboxylic acid butanediol ester) (PBN), poly- (terephthalic acid (TPA) 1,3- propylene glycol esters) (PPT), poly- (right Phthalic acid cyclohexylenedimethylene ester) (PCT), polytrimethylene's ester (PTT), poly- (butanedioic acid 1,4- fourths Diol ester) (PBS), the polyethylene terephthalate (PETG) of glycol modification, the poly terephthalic acid Asia ring of glycol modification Hexyl dimethylene ester (PCTG), poly- (1,4 cyclohexanedicarboxylic acid 1,4- cyclohexylenedimethylenes ester) (PCCD), poly- (hexamethylene Alkane dimethanol terephthalate), poly- (cyclohexanedimethanol -co- ethylene glycol terephthalate), they copolymer or its Combination.

33rd embodiment, it is the capacitor films of any one of the first to the 32nd embodiment, wherein described Polyester includes low inherent viscosity polyethylene terephthalate, and there is (i) to be based on the polyethylene terephthalate for it The weight % of gross weight meter about 0.1 to about 4 weight % diethylene glycol derive content；(ii) about 0.1dl/g is extremely About 0.83dl/g inherent viscosity；(iii) about 10meq/kg to about 150meq/kg amount carboxylic end group content.

34th embodiment, it is the capacitor films of the 32nd embodiment, is followed again wherein the PET is derived from Ring PET.

35th embodiment, it is the capacitor films of the 32nd embodiment, wherein the PET is linear, And wherein described PET includes the gross weight meter based on the PET determined by proton nuclear magnetic resonance spectroscopy and is less than about 3 weights Measure % cyclic polyester.

36th embodiment, it is the capacitor films of any one of the first to the 35th embodiment, wherein described Polyester is present in the miscible polymer blends with about 0.1 weight % to about 40 weight % amount.

37th embodiment, it is the capacitor films of any one of the first to the 36th embodiment, wherein described Polyester is present in the miscible polymer blends with about 5 weight % to about 30 weight % amount.

38th embodiment, it is the capacitor films of any one of the first to the 37th embodiment, wherein described PEI and the polyester are each present in institute effectively to provide the amount of the single glass transition temperature of the capacitor films State in miscible polymer blends.

39th embodiment, it is the capacitor films of any one of the first to the 38th embodiment, wherein described PEI and the polyester are each present in for the poly- of capacitor films with effectively providing the amount of miscible polymer blends In polymer composition.

40th embodiment, it is the capacitor films of any one of the first to the 39th embodiment, wherein described mixed Insoluble polymer blend further includes the weight % of the gross weight meter based on the miscible polymer blends about 0 to about 2 The phosphorus-containing stabilizers of weight % amount, wherein the phosphorus-containing stabilizers have the weight average molecular weight equal to or more than about 500Da.

41st embodiment, it is the high yield of the uniaxial tension comprising any one of 10 embodiments Extrude the product of capacitor films.

42nd embodiment, it is the product of the 41st embodiment, and it further includes and is deposited on the film At least a portion on metal level to form metallized capacitor film.

43rd embodiment, it is the product of the 42nd embodiment, wherein the metal level includes conductive gold Category.

44th embodiment, it is the product of the 43rd embodiment, wherein the conducting metal include copper, Aluminium, silver, gold, nickel, zinc, titanium, chromium, vanadium, tantalum, niobium, brass or its combination.

45th embodiment, it is the product of any one of the 42nd to the 44th embodiment, wherein described Metal level has about 1 angstrom to about 3,000 angstroms of metal layer thickness.

46th embodiment, it is the product of any one of the 42nd to the 45th embodiment, wherein described Metal level has about 1 angstrom to about 2,820 angstroms of metal layer thickness.

47th embodiment, it is the product of any one of the 42nd to the 46th embodiment, wherein described Metal level has the metal layer resistivity of about 0.1 to about 100 ohm-sq.

48th embodiment, it is the product of any one of the 42nd to the 47th embodiment, wherein described Metal level is vapor-deposited by vacuum metal, high-temperature vacuum deposition, chemical vapor deposition, ald, metal sputtering, etc. from Daughter processing, electron beam treatment, chemical oxidation or reduction reaction, without electric wet-chemical deposition or its combined deposition in the film extremely In a few part.

49th embodiment, it is the product of any one of the 42nd to the 48th embodiment, wherein by institute Metallized capacitor film roll is stated around to form wound metallized capacitor films.

50th embodiment, it is the capacitor of the wound metallized film comprising the 49th embodiment.

51st embodiment, it is the electronic products of the capacitor comprising the 50th embodiment.

52nd embodiment, it is the vehicle inverter of the capacitor comprising the 50th embodiment.

53rd embodiment, it is the automobile converter of the capacitor comprising the 50th embodiment.

54th embodiment, it is a kind of high yield extrusion capacitor films of uniaxial tension, and it contains polyethers The miscible polymer blends of acid imide and polyester；Wherein described PEI includes derived from aromatic dianhydride and includes isophthalic The unit of the polymerization of the diamines of diamines, p-phenylenediamine or its combination；Wherein described PEI is substituted or unsubstituted aromatics Primary monoamines block；Wherein described polyester includes the repetitive structure list polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid Member；Wherein described high yield extrusion capacitor films are solvent-free and comprising based on miscible polymer blends before entrance extruder Gross weight meter, the miscible polymer blends into the extruder for manufacturing capacitor films are equal to or more than about 90 weights Measure %；And wherein described capacitor films have about 0.1 micron to about 20 microns of film thickness.

55th embodiment, it is the capacitor films of the 54th embodiment, wherein the PEI enters One step includes polyetherimide sulfone.

56th embodiment, it is a kind of high yield extrusion capacitor films of uniaxial tension, and it contains polyethers The miscible polymer blends of acid imide sulfone and polyester；Wherein described polyetherimide sulfone include derived from aromatic dianhydride with comprising The unit of the polymerization of the diamines of diaminodiphenylsulfone；Wherein described polyetherimide sulfone is substituted or unsubstituted aromatic primary monoamine envelope End；Wherein described polyester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid；Wherein institute State high yield extrusion capacitor films it is solvent-free and comprising based on enter extruder before miscible polymer blends gross weight meter, Miscible polymer blends into the extruder for manufacturing capacitor films are equal to or more than about 90 weight %.

57th embodiment, it is the capacitor films of the 56th embodiment, wherein the capacitor films have About 0.1 micron to about 20 microns of film thickness.

58th embodiment, it is the capacitor films of any one of the 56th to the 57th embodiment, wherein The polyetherimide sulfone has the about 20,000Da measured by gel permeation chromatography (GPC) using polystyrene standards To about 400,000Da weight average molecular weight；Wherein described polyetherimide sulfone has by Capillary rheometry 340 Measured at DEG C less than about 11 in 100sec^-1Under viscosity with 5,000sec^-1Under viscosity ratio；It is wherein described Polyetherimide sulfone has the stretching die equal to or more than about 380,000psi (2,618MPa) measured according to ASTM D638 Amount；Wherein described polyester has the weight average molecular weight by the about 25,000Da that GPC is measured to about 75,000Da；Wherein institute Stating polyester has about 0.1dl/g to about 0.83dl/g inherent viscosity；Wherein described capacitor films, which have, is more than about 170 DEG C glass transition temperature；Wherein described capacitor films have according to ASTM D648 under 264psi (1.8Mpa) 3.2 milli The thermal distoftion temperature for being equal to or more than about 150 DEG C measured on the thick sample of rice (mm)；Wherein described capacitor films have root According to the dielectric constant of ASTM D150 about 3 to about 5 measured under 1kHz, 23 DEG C and 50% relative humidity (RH)；Wherein institute Stating capacitor films has the dissipation factor of about 0% to about 1% measured under 1kHz, 23 DEG C and 50%RH；It is wherein described Capacitor films have the breakdown according to the about 500V/micron that ASTM D149 are measured at 23 DEG C to about 800V/micron Intensity；Wherein described capacitor films have is less than thickness based on the film average thickness meter film thickness change on particular measurement area About +/- 10% wrinkle-free region of degree；And wherein described capacitor films have flat based on being measured by optical profile art Equal film thickness meter is less than about +/- 3% surface average roughness (Ra).

59th embodiment, it is that the height for the uniaxial tension for manufacturing any one of the first to the 58th embodiment is bent The method of clothes extrusion capacitor films, it includes：

(a) miscible polymer blends are extruded to form the high yield extrusion capacitor films, wherein described high in the wrong Clothes extrusion capacitor films are included based on the gross weight meter into miscible polymer blends before extruder, into for manufacturing electricity The miscible polymer blends of the extruder of container film are equal to or more than about 90 weight %；With

(b) high yield extrusion capacitor films extrude capacitor to form the high yield of the uniaxial tension described in uniaxial tension Film.

60th embodiment, it is the high yield for the uniaxial tension for manufacturing any one of the first to the 59th embodiment The method for extruding capacitor films, it includes：

(a) PEI and the polyester are merged to form miscible polymer blends；

(b) melt and mix the miscible polymer blends to form molten polymer；

(c) molten polymer is filtered to remove the particle more than about 1 micron to form the molten polymer of filtration；

(d) molten polymer of the filtration is extruded with shape through flat-mould head at a temperature of about 250 DEG C to about 500 DEG C Capacitor films are extruded into high yield, wherein high yield extrusion capacitor films are included and are based on into miscible polymerization before extruder The gross weight meter of thing blend, the miscible polymer blends into extruder for manufacturing capacitor films are equal to or more than About 90 weight %；With

(e) high yield extrusion capacitor films extrude capacitor to form the high yield of the uniaxial tension described in uniaxial tension Film.

61st embodiment, it is the method for the 60th embodiment, and it further comprises in the film at least Deposited metal layer is to form metallized capacitor film in a part.

62nd embodiment, it is the method for the 61st embodiment, and it further comprises winding the metal Change capacitor films to form wound metallized capacitor films.

63rd embodiment, it is the method for any one of the 61st to the 62nd embodiment, and its is further Comprising the metallized capacitor film is stacked to form stacked membrane capacitance.

64th embodiment, it is the method for the 63rd embodiment, and it is further included will be described stacked Membrane capacitance cutting is to form (diced) membrane capacitance of cutting.

65th embodiment, it is the high yield extrusion capacitor for the uniaxial tension for manufacturing the 56th embodiment The method of film, it includes：

66th embodiment, it is the high yield extrusion capacitor for the uniaxial tension for manufacturing the 56th embodiment The method of film, it includes：

(a) polyetherimide sulfone and the polyester are merged to form miscible polymer blends；

(b) melt and mix the miscible polymer blends to form molten polymer；

While there has been shown and described that the embodiment of the disclosure, but it can be modified without departing from the present invention Spirit or teaching.The embodiment described herein and embodiment are only exemplary and are not intended as limiting.It is public herein Many variations of the invention for opening and modification are feasible and within the scope of the invention.

Therefore, protection domain is not limited by description given above, but is only limited by following claims, the scope All equivalents of theme including claims.Each claim is incorporated to explanation as one embodiment of the invention Book.Therefore, claims are to further describe and are the supplements of the detailed description of the present invention.All patents referred to herein, The disclosure of patent application and publication is incorporated herein by this reference.

Claims

1. a kind of high yield extrusion capacitor films of uniaxial tension, it includes the miscible polymer containing PEI and polyester Blend；Wherein described PEI include derived from aromatic dianhydride with comprising m-phenylene diamine (MPD), p-phenylenediamine or its combine The unit of the polymerization of diamines；Wherein described PEI is substituted or unsubstituted aromatic primary monoamine end-blocking；Wherein described polyester Include the constitutional repeating unit polymerizeing derived from aromatic dicarboxylic acid with dihydroxy compounds；And wherein described high yield extrusion Capacitor films are included based on the gross weight meter into miscible polymer blends before extruder, into for manufacturing capacitor films The miscible polymer blends of extruder be equal to or more than about 90 weight %.

2. the capacitor films of claim 1, wherein the capacitor films have about 0.1 micron to about 50 microns of thickness.

3. the capacitor films of claim 1, wherein the capacitor films have about 0.1 micron to about 20 microns of thickness.

4. the capacitor films of claim 1, gather wherein the PEI has to use by gel permeation chromatography (GPC) The about 20,000Da that styrene standard specimen measures to about 400,000Da weight average molecular weight；Wherein described PEI tool Have by Capillary rheometry measured at 340 DEG C less than about 11 in 100sec^-1Under viscosity with 5, 000sec^-1Under viscosity ratio；Wherein described PEI has to be equal to or more than about according to what ASTM D638 were measured 380,000psi (2,618MPa) stretch modulus；Wherein described polyester has by the about 25,000Da that GPC is measured to big About 75,000Da weight average molecular weight；Wherein described polyester has about 0.1dl/g to about 0.83dl/g inherent viscosity；Its Described in capacitor films have more than about 170 DEG C of glass transition temperature；Wherein described capacitor films have according to ASTM D648 measures hot abnormal equal to or more than about 150 DEG C under 264psi (1.8Mpa) on 3.2 millimeters (mm) thick sample Temperature；Wherein described capacitor films have what is measured according to ASTM D150 under 1kHz, 23 DEG C and 50% relative humidity (RH) The dielectric constant of about 3 to about 5；Wherein described capacitor films have about 0% measured under 1kHz, 23 DEG C and 50%RH To about 1% dissipation factor；Wherein described capacitor films have the about 500V/ measured according to ASTM D149 at 23 DEG C Micron to about 800V/micron breakdown strength；Wherein described capacitor films have based on particular measurement area Film average thickness meter film thickness change is less than about +/- 10% wrinkle-free region of film thickness；And wherein described capacitor films With the surface average roughness (Ra) for being less than about +/- 3% based on the average film thickness meter measured by optical profile art.

5. the capacitor films of claim 1, gather wherein the PEI has to use by gel permeation chromatography (GPC) The about 20,000Da that styrene standard specimen measures to about 400,000Da weight average molecular weight；Wherein described PEI tool Have by Capillary rheometry measured at 340 DEG C less than about 10 in 100sec^-1Under viscosity with 5, 000sec^-1Under viscosity ratio；Wherein described PEI has to be equal to or more than about according to what ASTM D638 were measured 380,000psi (2,618MPa) stretch modulus；Wherein described polyester has by the about 25,000Da that GPC is measured to big About 75,000Da weight average molecular weight；Wherein described polyester has about 0.1dl/g to about 0.83dl/g inherent viscosity；Its Described in capacitor films have more than about 190 DEG C of glass transition temperature；Wherein described capacitor films have according to ASTM D648 measures hot abnormal equal to or more than about 170 DEG C under 264psi (1.8Mpa) on 3.2 millimeters (mm) thick sample Temperature；Wherein described capacitor films have according to ASTM D150 measured under 1kHz, 23 DEG C and 50%RH about 3 to big About 5 dielectric constant；Wherein described capacitor films have measured under 1kHz, 23 DEG C and 50%RH about 0.1% to about 0.5% dissipation factor；Wherein described capacitor films have the about 600V/ measured according to ASTM D149 at 23 DEG C Micron to about 800V/micron breakdown strength；Wherein described capacitor films have based on particular measurement area Film average thickness meter film thickness change is less than about +/- 10% wrinkle-free region of film thickness；And wherein described capacitor films With the surface average roughness (Ra) for being less than about +/- 3% based on the average film thickness meter measured by optical profile art.

6. the capacitor films of claim 1, it is less than about according to what ASTM D1894 were measured wherein the capacitor films have 0.75 coefficient of kinetic friction in metalized surface, on aluminium and/or on themselves.

7. the capacitor films of claim 1, it is less than about according to what ASTM D1894 were measured wherein the capacitor films have 0.75 confficient of static friction in metalized surface, on aluminium and/or on themselves.

8. the capacitor films of claim 1, wherein the dielectric constant of the capacitor films at 1 khz is from about 0 DEG C to about 170 DEG C of holdings are basically unchanged, wherein the change of the dielectric constant is less than within the temperature range of about 0 DEG C to about 170 DEG C Highest dielectric constant values about 20%.

9. the capacitor films of claim 1, wherein the dissipation factor of the capacitor films at 1 khz is from about 0 DEG C to about 170 DEG C of holdings are basically unchanged, and wherein described dissipation factor is about 0.1% to about 1%.

10. the capacitor films of claim 1, wherein the capacitor measured under 23 DEG C and 50%RH from 1kHz to 100kHz The dissipation factor of film is about 0.1% to about 1%.

11. the capacitor films of claim 1, wherein breakdown strength difference of the capacitor films from about 0 DEG C to about 170 DEG C is small In about the 40% of the breakdown strength value at 23 DEG C measured according to ASTM D149.

12. the capacitor films of claim 1, it is less than about based on the capacitance meter at 23 DEG C wherein the capacitor films have +/- 5% at 1 khz and the capacitance difference from about 0 DEG C to about 170 DEG C.

13. the capacitor films of claim 1, wherein the capacitor films have the single glass equal to or more than about 170 DEG C Change transition temperature.

14. the capacitor films of claim 1, wherein the capacitor films include in 100 square centimeters of area is less than 2 directly Footpath is more than about 20 microns of carbonization field trash.

15. the capacitor films of claim 1, wherein the capacitor films have about 10 meters to about 10,000 meters of film length About 30 millimeters to about 3,000 millimeters of film width, wherein at least about the 80% of total film surface area is wrinkle-free.

16. the capacitor films of claim 1, wherein the capacitor films have carbon/(oxygen+hydrogen) (C/ (O+ less than about 1.25 H)) compare.

17. the capacitor films of claim 1, wherein the capacitor films with according to ASTM D1938 uses with 20 microns of thickness The about 0.5N/mm that the sample of degree measures to about 3.0N/mm longitudinal trousers shape tearing strength.

18. the capacitor films of claim 1, wherein the capacitor films with according to ASTM D1938 uses with 20 microns of thickness The about 0.5N/mm that the sample of degree measures to about 3.0N/mm horizontal trousers shape tearing strength.

19. the capacitor films of claim 1, wherein the capacitor films are less than comprising the gross weight meter based on the capacitor films About 1000ppm solvent.

20. the capacitor films of claim 1, wherein the PEI is represented by Formula V：

Wherein T is the group shown in-O- or formula-O-Z-O-, wherein two valence links of-O- or-O-Z-O- groups are 3,3'；3,4'； 4,3'；Or 4,4' position, wherein Z are the divalent aromatic hydrocarbon radical with 6 to 27 carbon atoms, its halide derivative, with 2 to 10 The straight chain or branched chain alkylidene of individual carbon atom, its halide derivative, the cycloalkylidene with 3 to 20 carbon atoms, its halogenation Derivative or formula-(C₆H₁₀)_z- shown group, wherein z is 1 to 4 integer；And wherein R is comprising m-phenylene diamine (MPD), to benzene The residue of diamines or the diamines of its combination.

21. the capacitor films of claim 20, wherein Z are the divalent groups shown in formula IV a:

Wherein Q^aBe singly-bound ,-O- ,-S- ,-C (O)-,-SO₂- ,-SO- or-C_y-2y-, its halide derivative, and wherein y be 1 to 5 integer.

22. the capacitor films of claim 20, wherein Z are represented by Formula X I：

23. the capacitor films of claim 1, wherein the PEI includes the acid anhydride of about 1.0 to about 1.4 molar equivalents Group/1.0 amine groups.

24. the capacitor films of claim 1, wherein the substitution or unsubstituted aromatic primary monoamine include substitution and unsubstituting phenenyl Amine, substitution and unsubstituting naphthyl primary amine and substitution and unsubstituted heteroaryl amine, wherein substituent are selected from and are bonded on aromatic ring C_6-12Aryl, halogenation C_6-12Aryl, C_1-12Alkyl, halogenation C_1-12Alkyl, sulfone group, C_1-12Ester group, C_1-12Amide group, halogen Element, C_1-12Alkyl ether groups, C_6-12Aryl ether group and C_6-12Aryl ketone group.

25. the capacitor films of claim 1, wherein the substitution or unsubstituted aromatic primary monoamine include aniline.

26. the capacitor films of claim 1, wherein the PEI further includes polyetherimide sulfone.

27. the capacitor films of claim 26, wherein PEI:The weight ratio of polyetherimide sulfone is about 99:1 to big About 30:70.

28. the capacitor films of claim 1, wherein the PEI with about 60 weight % to about 99.9 weight %'s Amount is present in the miscible polymer blends.

29. the capacitor films of claim 1, wherein amount of the PEI with about 70 weight % to about 95 weight % It is present in the miscible polymer blends.

30. the capacitor films of claim 1, wherein the PEI includes includes derivative less than removing for about 15 weight % PEI outside the PEI of the unit of the polymerization of the amine of self-contained m-phenylene diamine (MPD), p-phenylenediamine or its combination.

31. the capacitor films of claim 1, wherein the polyester includes the constitutional repeating unit shown in Formula X II：

Wherein B is divalent group, C derived from dihydroxy compounds_2-10Alkylidene, C_6-20Alicyclic group, C_6-20Aryl or Polyalkylene oxide groups, alkylidene therein contain 2 to 6 carbon atoms or 2,3 or 4 carbon atoms；And wherein T^aIt is to be derived from Divalent group, the C of aromatic dicarboxylic acid_2-10Alkylidene, C_6-20Alicyclic group, C_6-20Alkylaryl or C_6-20Aryl.

32. the capacitor films of claim 1, wherein the polyester includes polyethylene terephthalate (PET), poly- (to benzene Dioctyl phthalate 1,4- butanediol esters) (PBT), PEN (PEN), poly- (naphthalenedicarboxylic acid butanediol ester) (PBN), poly- (terephthalic acid (TPA) 1,3- propylene glycol esters) (PPT), poly- (terephthalic acid (TPA) cyclohexylenedimethylene ester) (PCT), gather to benzene two Formic acid trimethylene ester (PTT), poly- (butanedioic acid 1,4- butanediol esters) (PBS), the polyethylene terephthalate of glycol modification Ester (PETG), glycol modification polycyclohexylene's dimethylene ester (PCTG), it is poly- (1,4 cyclohexanedicarboxylic acid 1, 4- cyclohexylenedimethylenes ester) (PCCD), poly- (cyclohexanedimethanol terephthalate), poly- (cyclohexanedimethanol -co- Ethylene glycol terephthalate), they copolymer or its combination.

33. the capacitor films of claim 1, wherein the polyester includes low inherent viscosity polyethylene terephthalate, its With (i), the two of the weight % of the gross weight meter based on the polyethylene terephthalate about 0.1 to about 4 weight % are sub- Glycol derives content；(ii) about 0.1dl/g to about 0.83dl/g inherent viscosity；(iii) about 10meq/kg To the carboxylic end group content of about 150meq/kg amount.

34. the capacitor films of claim 32, wherein the PET is derived from recycling PET.

35. the capacitor films of claim 32, wherein the PET is linear, and wherein described PET is included and is passed through proton nuclei The gross weight meter based on the PET of magnetic resonance spectrometry measure is less than about 3 weight % cyclic polyester.

36. the capacitor films of claim 1, wherein the polyester exists with about 0.1 weight % to about 40 weight % amount In the miscible polymer blends.

37. the capacitor films of claim 1, wherein the polyester is present in about 5 weight % to about 30 weight % amount In the miscible polymer blends.

38. the capacitor films of claim 1, wherein the PEI and the polyester are each effectively to provide the capacitor The amount of the single glass transition temperature of film is present in the miscible polymer blends.

39. the capacitor films of claim 1, wherein the PEI and the polyester are each effectively to provide miscible polymerization The amount of thing blend is present in the polymer composition for capacitor films.

40. the capacitor films of claim 1, wherein the miscible polymer blends, which further include, is based on the miscible polymerization The weight % of the gross weight meter of thing blend about 0 to about 2 weight % amount phosphorus-containing stabilizers, wherein the phosphorus-containing stabilizers Weight average molecular weight with equal to or more than about 500Da.

41. a kind of product, it includes the high yield extrusion capacitor films of the uniaxial tension of claim 1.

42. the product of claim 41, it further includes and is deposited on the metal level at least a portion of the film to be formed Metallized capacitor film.

43. the product of claim 42, wherein the metal level includes conducting metal.

44. the product of claim 43, wherein the conducting metal include copper, aluminium, silver, gold, nickel, zinc, titanium, chromium, vanadium, tantalum, niobium, Brass or its combination.

45. the product of claim 42, wherein the metal level has about 1 angstrom to about 3,000 angstroms of metal layer thickness.

46. the product of claim 42, wherein the metal level has about 1 angstrom to about 2,820 angstroms of metal layer thickness.

47. the product of claim 42, wherein the metal level has the metal level electricity of about 0.1 to about 100 ohm-sq Resistance rate.

48. the product of claim 42, wherein the metal level is vapor-deposited by vacuum metal, high-temperature vacuum deposition, chemistry Vapour deposition, ald, metal sputtering, corona treatment, electron beam treatment, chemical oxidation or reduction reaction, without electricity Wet-chemical deposits or its combined deposition is at least a portion of the film.

49. the product of claim 42, wherein by the metallized capacitor film roll around to form wound metallized capacitor films.

50. a kind of capacitor, it includes the wound metallized film of claim 49.

51. a kind of electronic products, it includes the capacitor of claim 50.

52. a kind of vehicle inverter, it includes the capacitor of claim 50.

53. a kind of automobile converter, it includes the capacitor of claim 50.

54. a kind of high yield extrusion capacitor films of uniaxial tension, it includes the miscible polymerization containing PEI and polyester Thing blend；Wherein described PEI include derived from aromatic dianhydride with comprising m-phenylene diamine (MPD), p-phenylenediamine or its combine Diamines polymerization unit；Wherein described PEI is substituted or unsubstituted aromatic primary monoamine end-blocking；It is wherein described poly- Ester includes the constitutional repeating unit polymerizeing with dihydroxy compounds derived from aromatic dicarboxylic acid；Wherein described high yield extrusion electricity Container film is solvent-free and comprising the gross weight meter based on miscible polymer blends before entrance extruder, into for manufacturing electricity The miscible polymer blends of the extruder of container film are equal to or more than about 90 weight %；And wherein described capacitor films With about 0.1 micron to about 20 microns of film thickness.

55. the capacitor films of claim 54, wherein the PEI further includes polyetherimide sulfone.

56. a kind of high yield extrusion capacitor films of uniaxial tension, it is included gathers containing polyetherimide sulfone and the miscible of polyester Compound blend；Wherein described polyetherimide sulfone includes poly- derived from aromatic dianhydride and the diamines comprising diaminodiphenylsulfone The unit of conjunction；Wherein described polyetherimide sulfone is substituted or unsubstituted aromatic primary monoamine end-blocking；Wherein described polyester, which includes, to spread out It is born from the constitutional repeating unit that polymerize of the aromatic dicarboxylic acid with dihydroxy compounds；Wherein high yield extrusion capacitor films without Solvent and comprising based on enter extruder before miscible polymer blends gross weight meter, into for manufacturing capacitor films The miscible polymer blends of extruder are equal to or more than about 90 weight %.

57. the capacitor films of claim 56, wherein the capacitor films have about 0.1 micron to about 20 microns of thickness Degree.

58. the capacitor films of claim 56, made wherein the polyetherimide sulfone has by gel permeation chromatography (GPC) Weight average molecular weight with the about 20,000Da that polystyrene standards measure to about 400,000Da；Wherein described polyetherimide Amine sulfone have by Capillary rheometry measured at 340 DEG C less than about 11 in 100sec^-1Under viscosity with 5,000sec^-1Under viscosity ratio；Wherein described polyetherimide sulfone has to be equal to or more than according to what ASTM D638 were measured About 380,000psi (2,618MPa) stretch modulus；Wherein described polyester has the about 25,000Da measured by GPC To about 75,000Da weight average molecular weight；Characteristic of the wherein described polyester with about 0.1dl/g to about 0.83dl/g is glued Degree；Wherein described capacitor films have the glass transition temperature more than about 170 DEG C；Wherein described capacitor films have basis What ASTM D648 were measured under 264psi (1.8Mpa) on 3.2 millimeters (mm) thick sample is equal to or more than about 150 DEG C Thermal distoftion temperature；Wherein described capacitor films have to be surveyed according to ASTM D150 under 1kHz, 23 DEG C and 50% relative humidity (RH) The dielectric constant of about 3 to about 5 obtained；Wherein described capacitor films are big with being measured under 1kHz, 23 DEG C and 50%RH The dissipation factor of about 0% to about 1%；Wherein described capacitor films have to be measured about according to ASTM D149 at 23 DEG C 500V/micron to about 800V/micron breakdown strength；Wherein described capacitor films, which have, to be based in particular measurement area On film average thickness meter film thickness change be less than film thickness about +/- 10% wrinkle-free region；And wherein described electric capacity Device film has the surface average roughness for being less than about +/- 3% based on the average film thickness meter measured by optical profile art (Ra)。

59. a kind of method of the high yield extrusion capacitor films of uniaxial tension of manufacturing claims 1, it includes：

(a) miscible polymer blends are extruded to form the high yield extrusion capacitor films, wherein the high yield is squeezed Go out capacitor films to include based on the gross weight meter into miscible polymer blends before extruder, into for manufacturing capacitor The miscible polymer blends of the extruder of film are equal to or more than about 90 weight %；With

(b) high yield extrusion capacitor films extrude capacitor films to form the high yield of the uniaxial tension described in uniaxial tension.

60. a kind of method of the high yield extrusion capacitor films of uniaxial tension of manufacturing claims 1, it includes：

(a) PEI and the polyester are merged to form miscible polymer blends；

(b) melt and mix the miscible polymer blends to form molten polymer；

(d) molten polymer of the filtration is extruded through flat-mould head to form height at a temperature of about 250 DEG C to about 500 DEG C Surrender extrusion capacitor films, it is total to wherein high yield extrusion capacitor films include miscible polymer before being based on entering extruder The gross weight meter of mixed thing, the miscible polymer blends into the extruder for manufacturing capacitor films are equal to or more than about 90 weight %；With

(e) high yield extrusion capacitor films extrude capacitor films to form the high yield of the uniaxial tension described in uniaxial tension.

61. the method for claim 60, it further comprises at least a portion of the film deposited metal layer to form gold Categoryization capacitor films.

62. the method for claim 61, it further comprises winding the metallized capacitor film to form wound metallized electricity Container film.

63. the method for claim 61, it further comprises stacking the metallized capacitor film to form stacked membrane capacitance Device.

64. the method for claim 63, it further comprises stacked membrane capacitance described in cutting to form the membrane capacitance of cutting Device.

65. a kind of method of the high yield extrusion capacitor films of uniaxial tension of manufacturing claims 56, it includes：

66. a kind of method of the high yield extrusion capacitor films of uniaxial tension of manufacturing claims 56, it includes：

(b) melt and mix the miscible polymer blends to form molten polymer；